1-In order to determine how Haverford Township voters will vote on a.pdf

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1-In order to determine how Haverford Township voters will vote on an upcoming referendum on increasing school taxes, parents of Haverford School District students were sureveyed on their opinions about raising taxes to fund the school. Explain why this sampling method is biased. Which of the following is not a possible source of sampling bias? Using a method that gives larger units a bigger chance of being in the sample. Solution.

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Explain how the atmosphere in the Cretaceous may have influenced the evolution of the Pinaceae (pines, firs, spruce) and that of the early angiosperm. Solution Cretaceous period caused a major diversification of plants. Previously gymnosperms and pteridophytes dominated the earth ecosystem .the angiosperms existed as small and herbaceous weedy. But by the middle cretaceous period they evolved into shrubs and small tress dominating over gymnosperms. This period saw the change in environmental conditions at the time of early angiosperms, the oxygen amount had risen and became approx 1.55 times which might have been helpful for angiosperms. By the end of cretaceous period angiosperms dominated over the ecosystem. The oxygen level caused huge fires in that period.and this period saw the origin of a fire resistant plant species, that is pine. The early pine trees evolved under the constant pressure of fire.this caused them to evolve and form cones that opened only during the time of fire, and get burnt and produce sprouts quickly after fire..

Explain how the atmosphere in the Cretaceous may have influenced the.pdf

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Explain the relationships among audit services, attestation services, and assurance services. Give real-world examples of each. Solution An assurance service is an independent professional service to improve the quality of information for decision makers. An attestation service is a form of assurance service in which the CPA firm issues a report about the reliability of an assertion that is the responsibility of another party. Audit services are a form of attestation service in which the auditor expresses a written conclusion about the degree of correspondence between information and established criteria. The most common form of audit service is an audit of historical financial statements, in which the auditor expresses a conclusion as to whether the financial statements are presented in conformity with generally accepted accounting principles. An example of an attestation service is a report on the effectiveness of an entity’s internal control over financial reporting. There are many possible forms of assurance services, including services related to business performance measurement, health care performance, and information system reliability.

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ssuserc77a341

During osmosis, individual molecules move: Toward lower concentrations Toward lower osmotic pressure All directions with equal probability Toward higher concentrations When the SimCell membrane in the Cell-O-Scope simulator jiggled back and forth, this was due to: Pressure against the membrane Osmosis causing molecules to flow across the membrane The membrane not being at equilibrium None of the above Placing blood cells into a solution that Is hypertonic to the cells will cause the osmotic pressure of the cells to: Increase Decrease Neither increase nor decrease Placing blood cells Into a solution that is Isotonic to the cells will cause the osmotic pressure of the cells to: Increase Decrease Neither increase nor decrease. Solution 1. d. towards higher concentration s. 2. b. Osmosis causing molecules to flow across the membrane. 3. a. Increases. 4. b. Decrease..

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ssuserc77a341

Disorders that result from excessive or inadequate production of hormones Solution Endocrine system organises various body functions by its hormonal secretions. Hormone is a chemical messenger secreted from an “endocrine gland” (ductless glands) which is transported to a distant site from its origin, where it produces its action (paracrine action). The major endocrine glands are hypothalamus, pituitary gland, thyroid gland, adrenal gland, pancreas (pancreatic Islets), pineal gland and parathyroid gland. Diseases associated with the hypersecretion and hyposecretion of some of the endocrine glands are given below: Name of thyroid gland Hyposecretion Hypersecretion Insulin Diabetes mellitus Gypoglycemia Vasopressin Diabetes insipidus Edema and fluid retention Thyroid Hypothyroidism (thyroid enlargement, goiter) Hyperthyroidism (Grave’s disease, toxic goiter) Adrenal Glucocorticoids Addison’s disease Cushing’s syndrome Adrenal medullary hormones Low blood pressure and cardiac insufficiency High blood pressure Growth hormone Dwarfism Gigantism FSH and LH Infertility - Name of thyroid gland Hyposecretion Hypersecretion Insulin Diabetes mellitus Gypoglycemia Vasopressin Diabetes insipidus Edema and fluid retention Thyroid Hypothyroidism (thyroid enlargement, goiter) Hyperthyroidism (Grave’s disease, toxic goiter) Adrenal Glucocorticoids Addison’s disease Cushing’s syndrome Adrenal medullary hormones Low blood pressure and cardiac insufficiency High blood pressure Growth hormone Dwarfism Gigantism FSH and LH Infertility -.

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ssuserc77a341

A sequare region is changed into a rectangular one by making it 2 feet wider and twice as long. If the area of the rectangular region is three times larger than the area of the original square region, what was the length of a side of the sequre before it was changed? Solution Side of square = a width of rectangle = 2 feet Length = 2a Area of reactangular region = 3* Area pof square 2a*2 = a2 4a = a2 a = 4 the length of a side of the sequre before it was changed = 4 feet.

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ssuserc77a341

(Unordered Sets) As explained in this chapter, a set is a collection of distinct elements of the same type. Design the class unorderedSetType, derived from the class unorderedArrayListType, to manipulate sets. Note that you need to redefine only the functions insertAt, insertEnd, and replaceAt. If the item to be inserted is already in the list, the functions insertAt and insertEnd output an appropriate message. Similarly, if the item to be replaced is already in the list, the function replaceAt outputs an appropriate message.Include the set operations of union and intersection in your class. Also write a program to test your class. (C++) #ifndef UNORDEREDARRAYLISTTYPE_H #define UNORDEREDARRAYLISTTYPE_H #include \"arrayListType.h\" class unorderedArrayListType : public arrayListType { public: void insertAt(int location, int insertItem); // Function to insert an item at a particular location // Postcondition: The item has been added to the list and the length has // been increased by 1. void insertEnd(int insertItem); // Function to insert an item at the end of the list // Postcondition: The item has been added at the end of the list and the // length has been increased by 1. void replaceAt(int location, int repItem); // Function to replace an item in the list. // Postcondition: repItem overrwrites the item at the specified location // in the list. The length of the list is unchanged. int seqSearch(int searchItem) const; // Function to search the list for searchItem. Note that this is an // abstract function. //Postcondition: If the item is found, returns the location in the array // where the item is found; otherwise, returns -1. void remove(int removeItem); // Function to remove an item from the list // Postcondition: If the item is found in the list, it is removed and the // length of the list is decreased by 1; if the item is not in the list // an appropriate message is displayed. void removeAll(int removeItem); // Function to remove all occurrences of an item from the list // Postcondition: If the item is found in the the list, all occurrences are // removed and the length of the list is decreased accordingly. If the // item is not in the list an appropriate message is displayed. unorderedArrayListType(int size = 100); //Constructor. }; #endif // UNORDEREDARRAYLISTTYPE_H #include \"UnorderedArrayListType.h\" #include using namespace std; void unorderedArrayListType::insertAt(int location, int insertItem) { if (location < 0 || location >= maxSize) cout<<\"The position of the item to be inserted is out of range.\"<= maxSize) //list is full cout << \"Cannot insert in a full list\" << endl; else { for (int i = length; i > location; i--) list[i] = list[i - 1]; //move the elements down list[location] = insertItem; //insert the item at the specified position length++; //increment the length } } //end insertAt void unorderedArrayListType::insertEnd(int insertItem) { if (length >= maxSize) //the list is full cout << \"Cannot insert in a full list.\.

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