1.)The time spent​ (in days) waiting for a heart

transplant for people ages​ 35-49 can be approximiated by the normal​ distribution, as shown in the figure to the right.

​(a) What waiting time represents the 5th ​percentile?

​(b) What waiting time represents the third​ quartile?

u=209

o=23.6

2.)The time spent​ (in days) waiting for a kidney transplant for people ages​ 35-49 can be approximiated by the normal​ distribution, as shown in the figure to the right.

​(a) What waiting time represents the 98th ​percentile?

​(b) What waiting time represents the first​ quartile?

u=180

o=213.5

3.)A population has a mean u=74 and a standard deviation O=18. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=36

u-^x The x is to the bottom not the top=

4.)Find the probability and interpret the results.

If​ convenient, use technology to find the probability.

The population mean annual salary for environmental compliance specialists is about ​$60 comma 60,500. A random sample of 34 specialists is drawn from this population. What is the probability that the mean salary of the sample is less than ​$58,000? Assume o=$5900

A)The probability that the mean salary of the sample is less than ​$58,000 is _

5.)The mean height of women in a country​ (ages 20−​29) is 63.8

inches. A random sample of 65 women in this age group is selected. What is the probability that the mean height for the sample is greater than 64 inches? Assume sigma σ=2.86

a)The probability that the mean height for the sample is greater than 64 inches is _

2.86.

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