"> (Answered) In a recent year, the scores for the reading portion of a test were normally distributed, with a mean of 21.8 and a standard deviation of 5. - Tutorials Prime

## (Answered) In a recent year, the scores for the reading portion of a test were normally distributed, with a mean of 21.8 and a standard deviation of 5.

In a recent year, the scores for the reading portion of a test were normally distributed, with a mean of 21.8 and a standard deviation of 5.

In a recentâ€‹Â year, the scores for the reading portion of a test were normallyâ€‹Â distributed, with a mean of 21.8 and a standard deviation of 5.2. Use Table 4 in the back of your text to complete partsâ€‹Â (a) throughâ€‹Â (d) below. Scroll to see the entire problem. â€‹(a) Find the probability that a randomly selected high school student who took the reading portion of the test has a score that is less than 16.â€‹(b) Find the probability that a randomly selected high school student who took the reading portion of the test has a score that is between 17.8 and 25.8.â€‹(c) Find the probability that a randomly selected high school student who took the reading portion of the test has a score that is more than 32.5.â€‹(d) Are any of the events in parts a through c consideredâ€‹Â unusual? Why or whyâ€‹Â not?

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This question was answered on: Jan 02, 2020

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