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The height of woman ages 20-29 is normally distributed , with a mean of 64.3 inches. assuming the standard diviation = 2.4 inches. are you more likely to randomly select 1 woman with a height less than 66.2 inches or are you more likely to select a sample of 17 woman with a mean height less than 66.2 inches?
(1) What is the probability of randomly selecting 1 woman with a height less than 66.2?
(2) What is the probability of selecting a sample of 17 women with a mean height less than 66.2?
Draw the tree diagram for experiment and complete the table below that represents the probabilities for each of the values that the random variable X will asume.
What is is the probability it will take 30 seconds to fill? 30-50 seconds to fill? and less than 25 seconds to fill.
According to studies, 1% of all patients who undergo laser surgery to correct their vision have serious post laser vision problems. In a sample of 95,000 patients, what is the approximate probability that fewer than 960 will experience serious..
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a) Test appropriate hypotheses nd state your conclusion b) The boxplots of the two distributions show an outlier among the data north of Derby. What effect might that have had on your test?
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find the area under the normal curve to the left of z -1.57 plus the area under the normal curve to the right of z 2.57
a tourist bureau for a western state conducted a study which showed that 65 of the people who seek information about
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