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The serum cholesterol level of U.S. females 20 years old or older is normally distributed with a mean of 200 mg/dL (milligrams per deciliter) and a standard deviation of 44 mg/dL. Let X represent serum total cholesterol level for U.S. females 20 years old or older. One outcome of interest is the probability that a woman has a serum cholesterol level greater than 266 mg/dL. If 400 U.S. women 20 yrs old or older are randomly selected, how many of them would we expect to have a serum cholesterol level greater than 266 mg/dL? Choose the closest value. (Hint: calculate the probability of interest first)
A. 0.9332
B. 27
C. 0.0668
D. 374
the f.s. supplies company buys calculators from a japanese supplier. the probability of a defective calculator is 20.
inclusions are defects in poured metal caused by contaminants. the number of large inclusions in cast iron follows a
determine the value of c so that the following functions represent joint probability distributions of the random
what is the probability that she would get at least 20,000 additional miles out of it? Repeat under the assumption that the lifetime mileage of the car is not exponentially distributed but rather is (in thousands of miles) uniformly distributed ov..
Draw a transition diagram. Write the Transition Matrix. If it rains on Thursday, what is the probability that the restaurant will be closed on Saturday? And on Sunday?
The probability that the cause and the cure for all cancers will be discovered before the year 2020 is .20. What viewpoint of probability does this statement illustrate?
Can Mr. Rutter conclude that the mean weight of the bags is less than 50 pounds? Use the 0.1 significance level. In a brief report, tell why Mr. Rutter can use the z distribution as the test statistic.
If there are infinitely many discrete Si , each having more than one point, show that their product topology is not discrete. Show that the product of countably many separable topological spaces, with product topology, is separable.
a child types the letters q w e r t y randomly producing 1000 letters in all. what is the expected number of times that
What is the probability that the average will be 140 lbs or longer if the individuals are randomly selected and calculate the z-score for an x of 21.5 from a sample of size 25.
the probability to catch disease a is 10. the probability to get disease b is 17. the probability to get at least one
listed below are recent winners of the nba basketball championship game. the letter w denotes a winner from the western
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