1.Compute the probabilities forP(z > 1.69)

2.Compute the probabilities forP(z < - 1.43)

3.Compute the probabilities forP(0.49 < z < 1.40)

4.I am looking at the results of an IQ test. This IQ test has a mean of 100 and a standard deviation of 10. Assume the data is normally distributed.Find the following probabilities

What is the probability that someone scores more than 110 points?

What is the probability that someone scores less than 80 points?

5.A study of 200 golfers showed that their average score on a particular course was 92.Assuming the standard deviation of the population is 5, find the best point estimate of the population mean and the 95% confidence interval of the population mean.

6.For a group of 22 women subjected to a stress situation, the mean heartbeat per minute was 125, with s = 7.Find the 95% confidence interval of the true mean.