Solution-Set of test scores is normally distributed with a

Set of test scores is normally distributed with a mean

Reference no: EM132465130

Assume that a set of test scores is normally distributed with a mean of 120 and a standard deviation of 25 Use the? 68-95-99.7 rule to find the following quantities.

a. The percentage of scores less than 120 is ? ?%.

?(Round to one decimal place as? needed.)

b. The percentage of scores greater than 145 is ?%

?(Round to one decimal place as? needed.)

c. The percentage of scores between 70 and 145 ?%

?(Round to one decimal place as? needed.)

This exercise involves a complementary event. Find the probability of the given event. Assume that the deck is fair.

Not drawing a 6 from a standard deck of 52 playing cards

The probability of not drawing a 6 is ?%

Reference no: EM132465130

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Set of test scores is normally distributed with a mean

Reference no: EM132465130

Reference no: EM132465130

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