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Kindergarten children have heights that are approximately normally distributed about a mean of 38.8 inches and a standard deviation of 1.5 inches. If a random sample of 21 is taken, what is the probability that the sample of kindergarten children has a mean height of less than 39.4 inches? (Give your answer correct to four decimal places)
Show that for any integer n>1, Xn(x) = e^-x sinnx is an eigenfunction of the Sturm-Liouville problem for X and determine the corresponding eigenvalue.
Find the probability that when 236 reservations are accepted for Flight 107, there are more passengers showing up than there are seats available.
jasmine international has 100 prospective original bracelets. about 20 of all bracelets come to order for retailing.
the mean weight on my sons football team is 185 pounds with a standard deviation of 20 pounds. determine the standard
Find the standard deviation for the group of sample data items (to the nearest hundredth). Set up a table and show your work
q1. which of the following is an example of quantitative data? the players number on a baseball uniform the serial
Normally distributed with an average of 125 minutes and a standard deviation of 18 minutes. What is the probability that a student taking this test will finish in 100 minutes or less?
Test the claim of the engineering firm. Perform an appropriate hypothesis test, showing the necessary calculations and/or explaining the process used to obtain the results.
Explain three assumptions for the evaluation of a correlation coefficient. Explain three limitations for evaluation a correlation coefficient.
A new car salesperson knows that he sells cars to one customer out of 20 who enter the showroom. The probability that he will sell a car to exactly two of the next three customers is?
an average of 5 calls coming per minute. What is the probability that up to a minute will elapse until 2 calls have come in to the switchboard?
a gallup poll used telephone interviews to survey a sample of 1025 u.s. residents over the age of 18 regarding their
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