Question

# I had 14 students last term who earned the following grades:

98 85 89 73 72 85 85 92 85 97 92 93 95 86

What is the 5 numbers summary for these students? what does a box plot for the data look like

I developed an achievement test and normalized it on people throughout the country over a year. My test has scores that are normally distributed with a mean of 100 and a standard deviation of 20.

- Find the probability that a randomly selected adult has IQ < 115

- Find the probability that a randomly selected adult has IQ > 70

- Find P
_{30,}which is the IQ score at the 305h percentile.

- What percentage of adults have scores between 80 and 120?

Ten peas are generated from parents having the green/yellow pair of genes so there is a 75% probability that an individual pea will have a green pod. Find the probability that

among the 10 offspring peas, no more than 5 have green pods.

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