Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1081 adults, 86% said that they have a cell phone. Find the value of the test statistic The value of the test statistic is (Round to two decimal places as needed.) 13 Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute. Answer the following questions. (x-p) What are the values of the mean and standard deviation after converting all pulse rates of women to z scores using z= 2 P = ☐ The original pulse rates are measured with units of "beats per minute". What are the units of the corresponding z scores? Choose the correct choice below. OA. The z scores are measured with units of "beats." OB. The z scores are measured with units of "beats per minute." OC. The z scores are measured with units of "minutes per beat." OD. The z scores are numbers without units of measurement. 0 => 12
Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1081 adults, 86% said that they have a cell phone. Find the value of the test statistic The value of the test statistic is (Round to two decimal places as needed.) 13 Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute. Answer the following questions. (x-p) What are the values of the mean and standard deviation after converting all pulse rates of women to z scores using z= 2 P = ☐ The original pulse rates are measured with units of "beats per minute". What are the units of the corresponding z scores? Choose the correct choice below. OA. The z scores are measured with units of "beats." OB. The z scores are measured with units of "beats per minute." OC. The z scores are measured with units of "minutes per beat." OD. The z scores are numbers without units of measurement. 0 => 12
Chapter5: Decimals
Section5.5: Averages And Probability
Problem 400E: The cash register receipts each day last week at a coffee shop were $1,845. $1,520. $1,438, $1,682,...
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Transcribed Image Text:Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1081 adults, 86% said that they have a cell phone. Find the value of the test statistic
The value of the test statistic is
(Round to two decimal places as needed.)
13
Transcribed Image Text:Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute. Answer the following questions.
(x-p)
What are the values of the mean and standard deviation after converting all pulse rates of women to z scores using z=
2
P = ☐
The original pulse rates are measured with units of "beats per minute". What are the units of the corresponding z scores? Choose the correct choice below.
OA. The z scores are measured with units of "beats."
OB. The z scores are measured with units of "beats per minute."
OC. The z scores are measured with units of "minutes per beat."
OD. The z scores are numbers without units of measurement.
0 =>
12
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