A local concert center reports that it has been experiencing a 15 rate of no-shows on advanced reservations. Among 150 advanced reservations, find the probability that there will be fewer than 20 no-shows.
Round the standard deviation to three decimal places to work the problem. A) 0.2451 B) 0.7549 C) 0.7967 D) 0.3187
Question 2
The grade point averages for 10 randomly selected junior college students are listed below. Assume the grade point averages are normally distributed.
Find a 98 confidence interval for the true mean. Round to the nearest
hundredth.
2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.8
A) (1.55, 3.53 ) B) (0.67, 1.81 ) C) (2.12, 3.14 ) D) (3.11, 4.35 )
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