The average height of adult males is 70 inches with a standard deviation of 2.4 inches. If the heights are normally distributed, how high should a doorway be such that 95% of all men can pass through...

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The average height of adult males is 70 inches with a standard deviation of 2.4 inches. If the heights are normally distributed, how high should a doorway be such that 95% of all men can pass through...

If the weight of female high school students closely follows the normal distribution with a mean of 125 pounds and a standard deviation of 5 pounds, what range of weights includes the middle 80% of...

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A sack of onions weighs 45 kilograms. The onions are sold for $1.25 a pound. How much money is made from the sale of the sack of onions?

The same bike is for sale in two shops. In shop A it’s original price is £198 and the offer is 1/3 off. In shop B its original price is £239 and the offer is 40% off. Which of the two offers results...

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the height of a flare can be approximated by the function h=-t2+5t+6, where h is the height in feet and t is the time in seconds. Find the time it takes the flare to hot the ground.

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Determine the minimum required sample size to construct a 99% CI for the population mean. Assume the population standard deviation is 9.8 minutes.

Tickets for a raffle cost $13. There were 739 tickets sold. One ticket will be randomly selected as the winner, and that person wins $1700 and also the person is given back the cost of the ticket...

Based on historical data, an insurance company estimates that a particular customer has a 3.2% likelihood of having an accident in the next year, with the average insurance payout being $2200. If...

What is Nina's rate in miles per hour if there are 5,280 feet in a mile? Which girl bikes faster? please help! im stuck :'(

A rectangular bedroom has a length of x+3 feet and a width of x feet. Find the length and width of the bedroom if the perimeter is 46 feet.

A line has a slope of - 3 and includes the points (6, - 8) and (4,u). What is the value of u?

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what is wrong with the appeal to ignorance fallacy and give an example