The distribution of the number of viewers for theAmerican Idoltelevision broadcasts follows the normal distribution with a mean of 27 million and a standard deviation of 8 million.

What is the probability that next week's show will:(a)Have between 32 and 38 million viewers?(Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Probability =Answer

(b)Have at least 22 million viewers?(Round z-score computation to 2 decimal places and your final answer to 4 decimalplaces.)

Probability =Answer

(c)Exceed 45 million viewers?(Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Probability =Answer

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The closing price of Schnur Sporting Goods Inc. common stock is uniformly distributed between $25 and $35 per share.

What is the probability that the stock price will be:(a)More than $29?(Round your answer to 1 decimal place.)

Probability =Answer

(b)Less than or equal to $28?(Round your answer to 1 decimal place.)

Probability =Answer

Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $4,660 per hour and a standard deviation of $225.

What is the operating cost for the lowest 6% of the airplanes?(Roundfinal answer to nearest whole number.)

Operating Cost =Answer---

For the most recent year available, the mean annual cost to attend a private university in the United States was $20,132. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,450.

Ninety percent of all students at private universities pay less than what amount?(Roundzvalue to 2 decimal places and your final answer to the nearest whole number.)

Amount =Answer

According to the South Dakota Department of Health, the mean number of hours of TV viewing per week is higher among adult women than men. A recent study showed women spent an average of 35 hours per week watching TV and men 31 hours per week. Assume that the distribution of hours watched follows the normal distribution for both groups, and that the standard deviation among the women is 4.2 hours and is 4.8 hours for the men.

(a)What percent of the women watch TV less than 38 hours per week?(Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Probability =Answer

(b)What percent of the men watch TV more than 25 hours per week?(Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Probability =Answer

(c)How many hours of TV do the 2% of women who watch the most TV per week watch? Find the comparable value for the men.(Round your answers to 3 decimal places.)

Women=Answer

Men =Answer