The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At a = 0.10, is there enough evidence to support the claim that the pass completion percentages have changed? Complete parts (a) through (e) below. Player Completion percentage |(freshman) Completion percentage 67.1 56.9 64.3 59.8 63.5 59.7 63.3 63.4 57.4 61.0 (sophomore) 1| 2 | 3 | 4 | 5 | 6 | 7| 8 | 9| 10 67.5 61.9 57.5 59.0 64.7 52.0 58.0 64.4 55.5 58.3 (a) Identify the claim and state H, and H,- What is the claim? O A. The pass completion percentages have not changed. O B. The pass completion percentages have increased. °c. The pass completion percentages have changed. O D. The pass completion percentages have decreased. Let µg be the hypothesized mean of the differences in the pass completion percentages (freshman - sophomore). Then d is the sample mean of the differences. What are H, and H, ? OA. Ho: Ha 20 Hai Hg 0 D. Họ: Ha =0 OE Ho: Ha sa OF. Ho: Hozd (b) Calculate d and Sg- Calculate d. d= - 1.76 (Round to three decimal places as needed.) Calculate sg. Sg =O(Round to three decimal places as needed.)

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A: Given that  if x=4,8,3,-2

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A:

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A:

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Quadratic Equation

When it comes to the concept of polynomial equations, quadratic equations can be said to be a special case. What does solving a quadratic equation mean? We will understand the quadratics and their types once we are familiar with the polynomial equations and their types.

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The concept of demand and supply is important for various factors. One of them is studying and evaluating the condition of an economy within a given period of time. The analysis or evaluation of the demand side factors are important for the suppliers to understand the consumer behavior. The evaluation of supply side factors is important for the consumers in order to understand that what kind of combination of goods or what kind of goods and services he or she should consume in order to maximize his utility and minimize the cost. Therefore, in microeconomics both of these concepts are extremely important in order to have an idea that what exactly is going on in the economy.