Mathematics, 03.05.2021 07:10 genesisheaven1
According to a recent survey, the average time patients spen waiting in an emergency room is 6 hours. Assuming the distribution is normal and the standard deviation is 1.5 hours, what is the probability that a randomly selected patients pends less than 3 hours waiting in an emergency room? Use the Standard Normal Table to determine the probability.
Answers: 1
Mathematics, 21.06.2019 18:00
Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.
Answers: 1
Mathematics, 21.06.2019 20:30
Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Mathematics, 21.06.2019 23:00
What is the sum of the first 8 terms of the geometric series
Answers: 3
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