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In a poll of n = 200 randomly selected individuals, 60 people said they are opposed to the death penalty for persons convicted of murder. Determine the margin of error for a 95% confidence interval on the true proportion opposed to the death penalty.
Answer
A. 0.0635
B. 0.0960
C. 0.0898
D. 0.1291
a) What is the probability of getting four hits in a particular game? (Round your answer to 3 decimal places.) b)What is the probability of not getting any hits in a game?
A confidence interval estimate for the population mean is given to be (41.16, 49.85). If the standard deviation is 16.290 and the sample size is 54, answer each of the following (show all work):
Of those female students, 85% of them will graduate, whereas 90% of males will successfully complete the same programme. If a new TESL student is chosen at random, what is the probability that: They graduate and they are female?
In a shipment of 56 vials, only 13 do not have hairline cracks. If you randomly select one vial from the shipment, what is the probability that it has a hairline crack?
A department store, on average, has daily sales of $28,707.47. The standard deviation of sales is $1000. On Tuesday, the store sold $34,650.77 worth of goods. Find Tuesday's z score. Was Tuesday an unusually good day?
Based on this sample information, develop a 90 percent confidence interval for the population mean yearly premium.
When 40 people used the Weight Watchers diet for one year, their weight losses had a standard deviation of 4.9 lb (based on data from "Comparision of the Atkins, Ornish, Weight Watchers, abd Zone Diets for Weight Loss and Heart Disease Reduction, ..
let ia be an indicator function of a.a show that the indicator of a compliment is 1- indicator of a.b show that the
1. ross whites machine shop uses 2500 brackets during the course of the year and this usage is relatively constant
If the speed of lights is 3.00x 10 to the power of 8 m/sec, how long does it take light to travel 2.29x 10 to the power of 11 m, the distance from the sun to Mars? Round to one decimal place.
About 5.5 percentage points in either direction from what would have been obtained by seeking out all Ohio State University female students." Do your results agree with this statement?
15 are ink jet printers. if a group of 10 printers is chosen at random from the store, find the mean and variance of the number of ink jet printers.
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