14) When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to attain about 60% of their maximum heart rate. For 20-year-olds, this rate is approximately 120 bpm. A simple random sample of one hundred 20-year-olds was taken, and the sample mean was found to be 107 bpm with a standard deviation of 45 bpm. Researchers wonder if thisis evidence to conclude that the expected level is actually lower than 120 bpm. a) Based on the data, the value of the one-sample t statistic isA. −2.38.B. −2.67.C. −2.89.D. −3.41.E. None of the above.  b) What is the P-value for the one-sample t test is

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14) When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to attain about 60% of their maximum heart rate. For 20-year-olds, this rate is approximately 120 bpm. A simple random sample of one hundred 20-year-olds was taken, and the sample mean was found to be 107 bpm with a standard deviation of 45 bpm. Researchers wonder if this
is evidence to conclude that the expected level is actually lower than 120 bpm.

a) Based on the data, the value of the one-sample t statistic is
A. −2.38.
B. −2.67.
C. −2.89.
D. −3.41.
E. None of the above. 


b) What is the P-value for the one-sample t test is

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