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# Suppose the lengths of the pregnancies of certain animal are approximately normally distributed with mean pl = 194 days and standard deviation 0 = 19 dayClick here ...

## Question

###### Suppose the lengths of the pregnancies of certain animal are approximately normally distributed with mean pl = 194 days and standard deviation 0 = 19 dayClick here to view the standard normal distrbution table (page lick here to_view the standard normal distribution table (page 2)_(a) What is the probability that a randomly selected pregnancy asts ess than 188 days?The probability that a randomly selected pregnancy lasts less than 188 days is approximately 0.3761 (Round to four decimal places a

Suppose the lengths of the pregnancies of certain animal are approximately normally distributed with mean pl = 194 days and standard deviation 0 = 19 day Click here to view the standard normal distrbution table (page lick here to_view the standard normal distribution table (page 2)_ (a) What is the probability that a randomly selected pregnancy asts ess than 188 days? The probability that a randomly selected pregnancy lasts less than 188 days is approximately 0.3761 (Round to four decimal places as needed:) Interpret this probability: Select the correct choice below and fill in the answer box within your choice _ (Round to the nearest integer as needed ) CA If 100 pregnant individuals were selected independently from this population, we would expect pregnancies to last more than 188 days: If 100 pregnant individuals were selected independently from this population, we would expect pregnancies t0 ast exactly 188 days_ If 100 pregnant individuals were selected independently from this population, we would expect 38 pregnancies to last less than 188 days_ (b) Suppose random sample of 23 pregnancies is obtained. Describe the sampling distribution of the sample mean length of pregnancies_ The sampling distribution of x is normal (Round to four decimal places as needed:) with 194 and Gx 3.9618 (c) What is the probability that random sample of 23 pregnancies has mean gestation period of 188 days or less? The probability that the mean of a random sample of 23 pregnancies is less than 188 days approximately (Round to four decimal places as needed:)

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