A rocket club makes its own rockets. The rockets go to a mean height of 1100 feet with a standard deviation of 60 feet. If the club fires 36 rockets, what is probability that the mean height of the rockets will be greater than 1080 feet?

0.9882

0.9776

0.9774

0.9772

Which of the following statements is true?

The t distribution cannot be used when finding a confidence interval for the population mean with a small sample whenever the sample comes from a symmetric population.

The t distribution can be used when finding a confidence interval for the population mean with a small sample whenever the sample comes from a symmetric population.

The p distribution can be used when finding a confidence interval for the population mean with a small sample whenever the sample comes from a symmetric population.

All of the above are true.

The standard score for a two-tailed test is 2.0. What is the P-value?

0.9772

0.0456

0.0228

97.72