At a local ski area, 65% of the skiers have a season pass. Suppose that 125...
At a local ski area, 65% of the skiers have a season pass. Suppose that 125 skiers are randomly selected. Approximate the probability that between 90 and 105 of the skiers, inclusive, have a season pass.
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At a local ski area, 65% of the skiers have a season pass.
Suppose that 125...
A ski gondola in Vail, Colorado, carries skiers to the top of a mountain. It bears...
A ski gondola in Vail, Colorado, carries skiers to the top of a
mountain. It bears a plaque stating that the maximum capacity is 12
people or 2004 lb. That capacity will be exceeded if 12 people have
weights with a mean greater than 2004/12, approximately 167 lb.
Because men tend to weigh more than women, a worst-case scenario
involves 12 passengers who are all men. Assume that weights of men
are normally distributed with a mean of 182.9 lb...
A certain flight arrives on time 82 percent of the time. Suppose 134 flights are randomly selected. Use the normal appro...
A certain flight arrives on time 82 percent of the time. Suppose 134 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that (a) exactly 105 flights are on time. (b) at least 105 flights are on time. (c) fewer than 103 flights are on time. (d) between 103 and 111, inclusive are on time.
Data has been collected from 500 students on whether they have football season tickets or not,...
Data has been collected from 500 students on whether they have football season tickets or not, and whether they live on-campus or off-campus. On-campus off-campus Total Have season tickets 125 25 150 Do not have season tickets 200 150 350 Total 325 175 500 A. What percentage of students have season tickets? B.What is the probability that a randomly selected student live on-campus and off-campus? C.For a randomly selected student, what is the probability he/she live on campus and have...
Suppose flight AA380 (from NYC to Chicago) arrives on time 87% of the time. Suppose 120...
Suppose flight AA380 (from NYC to Chicago) arrives on time 87% of the time. Suppose 120 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that: a) at least 90 flights are on time. b) fewer than 106 flights are on time. (d) between 106 and 113, inclusive are on time
A certain flight arrives on time 90 percent of the time. Suppose 185 flights are randomly...
A certain flight arrives on time 90 percent of the time. Suppose 185 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that (a) exactly 170 flights are on time. (b) at least 170 flights are on time. (c) fewer than 174 flights are on time. (d) between 174 and 178, inclusive are on time.
Suppose that you are responsible for making arrangements for a business convention and that you have...
Suppose that you are responsible for making arrangements for a business convention and that you have been charged with choosing a city for the convention that has the least expensive rooms. You have narrowed your choices to Atlanta and Houston. The table below contains samples of prices for rooms in Atlanta and Houston. Because considerable historical data on the prices of rooms in both cities are available, the population standard deviations for the prices can be assumed to be $37...
A certain flight arrives on time 90 percent of the time. Suppose 186 flights are randomly...
A certain flight arrives on time 90 percent of the time. Suppose 186 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability th (a) exactly 163 flights are on time. (b) at least 163 flights are on time (c) fewer than 174 flights are on time. (d) between 174 and 178, inclusive are on time. (a) P(163)(Round to four decimal places as needed.) tbP63) (Round to four decimal places as needed.) (o) PX <174)-(Round...
A certain flight arrives on time 80 percent of the time. Suppose 174 flights are randomly...
A certain flight arrives on time 80 percent of the time. Suppose 174 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that (a) exactly 148 flights are on time. (b) at least 148 flights are on time. (c) fewer than 133 flights are on time. (d) between 133 and 150, inclusive are on time.
A certain flight arrives on time 86 percent of the time. Suppose 160 flights are randomly...
A certain flight arrives on time 86 percent of the time. Suppose 160 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that (a) exactly 150 flights are on time. (b) at least 150 flights are on time. (c) fewer than 133 flights are on time. (d) between 133 and 136, inclusive are on time.
A certain flight arrives on time 87 percent of the time. Suppose 144 flights are randomly...
A certain flight arrives on time 87 percent of the time. Suppose 144 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that (a) exactly 124 flights are on time. (b) at least 124 flights are on time. (c) fewer than 126 flights are on time. Id between 126 and 127 Inclusive are on time
A ski gondola in Vail, Colorado, carries skiers to the top of a
mountain. It bears a plaque stating that the maximum capacity is 12
people or 2004 lb. That capacity will be exceeded if 12 people have
weights with a mean greater than 2004/12, approximately 167 lb.
Because men tend to weigh more than women, a worst-case scenario
involves 12 passengers who are all men. Assume that weights of men
are normally distributed with a mean of 182.9 lb...
Suppose flight AA380 (from NYC to Chicago) arrives on time 87% of the time. Suppose 120 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that: a) at least 90 flights are on time. b) fewer than 106 flights are on time. (d) between 106 and 113, inclusive are on time
A certain flight arrives on time 90 percent of the time. Suppose 186 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability th (a) exactly 163 flights are on time. (b) at least 163 flights are on time (c) fewer than 174 flights are on time. (d) between 174 and 178, inclusive are on time. (a) P(163)(Round to four decimal places as needed.) tbP63) (Round to four decimal places as needed.) (o) PX <174)-(Round...
A certain flight arrives on time 87 percent of the time. Suppose 144 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that (a) exactly 124 flights are on time. (b) at least 124 flights are on time. (c) fewer than 126 flights are on time. Id between 126 and 127 Inclusive are on time
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