Measurements were recorded for the slapshot speed of 100 minor-league hockey players. These measurements were found...

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Measurements were recorded for the slapshot speed of 100minor-league hockey players. These measurements were found to benormally distributed with mean of 84.388 mph and standard deviationof 3.3706 mph. Would it be unusual to record a value above 94.6mph?

Question 6 options:

1)

The value is borderline unusual.

2)

We do not have enough information to determine if the value isunusual.

3)

The value is unusual.

4)

It is impossible for this value to occur with this distributionof data.

5)

The value is not unusual.

According to estimates by the office of the Treasury InspectorGeneral of IRS, approximately 0.0499 of the tax returns filed arefraudulent or will contain errors that are purposely made to cheatthe IRS. In a random sample of 337 independent returns from thisyear, what is the probability that at least 26 will be fraudulentor will contain errors that are purposely made to cheat theIRS?

Question 7 options:

1)

0.0083

2)

0.0042

3)

0.9886

4)

0.0114

5)

0.0197

According to estimates by the office of the Treasury InspectorGeneral of IRS, approximately 0.0362 of the tax returns filed arefraudulent or will contain errors that are purposely made to cheatthe IRS. In a random sample of 385 independent returns from thisyear, what is the probability that less than 9 will be fraudulentor will contain errors that are purposely made to cheat theIRS?

Question 9 options:

1)

0.9394

2)

0.1080

3)

0.0237

4)

0.0474

5)

0.0606

Answer & Explanation Solved by verified expert
4.2 Ratings (683 Votes)
6The zscore for X 946 isSince zscore is greater than 2 so it is unusualCorrect option 3 The value is unusual7Given thatn337 and    See Answer
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