According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $108.99. Assume the amounts are normally distributed with standard deviation $15.00. Use the TI-84 Plus calculator to answer the following. (a) Find the 6th percentile of the bill amounts. (b) Find the 66th percentile of the bill amounts. (c) Find the median of the bill amounts. Round the answers to at least two decimal places.

Electricity bills: According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $109.88. Assume the amounts are normally distributed with standard deviation $18.00. Use the TI-84 Plus calculator to answer the following. (a) Find the 8th percentile of the bill amounts. (b) Find the 63rd percentile of the bill amounts. (c) Find the median of the bill amounts. Round the answers to at least two decimal places. Part 1 of 3 The 8th percentile of the bill amounts is $ Part 2 of 3 The 63rd percentile of the bill amounts is $ Part 3 of 3 The median of the bill amounts is $ X S

should have the right to marry. (The 2014 data were collected before the 2015 U.S. C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals 30 measured on a 5-point scale from strongly agree (1) to strongly disagree (5). Supreme Court decision granting same-sex couples the right to marry. Responses wer measured on a 5-point scale from strongly agree (1) to strong!y aisagiee (2). Cumulative Percentage Homosexuals Should Have Right to Marry (2014) Percentage Frequency 32.5 32.5 Strongly agree 251 57.5 25.2 Agree 195 67.3 Neither agree nor disagree 9.6 74 79.2 Disagree 92 11.9 100.0 Strongly disagree 161 20.8 Total 773 100.0 Homosexuals Should Have Cumulative Right to Marry (2018) Frequency Percentage Percentage Strongly agree 293 39.5 39.5 Agree 200 27.0 66.5 Neither agree nor disagree 70 9.4 75.9 Disagree 67 9.0 84.9 Strongly disagree 111 15.0 99.9 Total 741 99.9 a. What is the level of measurement for this variable? b. What is the mode for 2014? For 2018?

The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances that someone is earning more than $20 an hour?

Electricity bills: According to a government energy agency, the mean monthly household electricity bill in the United States in  2011  was  $110.55 . Assume the amounts are normally distributed with standard deviation  $24.00 . Use the TI-84 Plus calculator to answer the following.     The median of the bill amounts is  $ .

For the month of April, a checking account has a balance of $539 for 22 days, $2318 for 3 days, and $214 for 5 days. What is the account's mean daily balance for April? The account's mean daily balance for April is approximately $ (Round to two decimal places as needed.)

Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 52.7 degrees. Low Temperature (°F) Frequency 40-44 45-49 50-54 10 55-59 6 60-64 Find the mean of the frequency distribution, Round to the nearest tenth as needed. Which of the following best describes the relationship between the computed mean and the actual mean?

Calculate the percentile for a student whose exam score is 81. Round your answer to the nearest whole number. x 50 57 58 60 60 64 66 67 67 70 72 75 75 75 79 80 83 83 83 86 87 87 88 89 95 96 96 99

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The Acme Company manufactures widgets. The distribution of widget weights is bell shaped. The widget have a mean of 40 ounces and a standard deviation of 10 ounces. What percentage of the widget weights lie between 20 and 70 ounces?