Question 13 (1 point) The composite ACT score for high school students in their

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Question 13 (1 point)

The composite ACT score for high school students in their senior year is normally distributed with a mean of 20.46 and a standard deviation of 4.933. Would it be unusual for a randomly selected student to have a score below 18.3?

Question 13 options:

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Question 14 (1 point)

The number of home runs hit for each player in Major League Baseball are approximately normally distributed with a mean of 18.05 and a standard deviation of 2.252. Would it be unusual for a randomly selected player of have hit between 20.4 and 21 homeruns in the previous season?

Question 14 options:

1) The value is unusual. 2) The value is not unusual. 3) The value is borderline unusual. 4) It is impossible for this value to occur with this distribution of data. 5) We do not have enough information to determine if the value is unusual.

Explanation / Answer

Ans -13

option -4-It is impossible for this value to occur with this distribution of data,

this senttence becomeunusual because we can find mean less than 20.46, which can be testedusing Z test

Ans-14

option -3-We do not have enough information to determine if a value in this interval is unusual.

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