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An understanding of statistics is necessary for any job. The use of statistics can help provide answers to many questions. Please, post a question you think that statistics may help you answer and explain why statistics can contribute to providing an accurate answer.
A final exam in Statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?
George Fastrack, head of the Bureau of Obfuscation's United Way drive, wants to know the average United Way pledge among Obfuscation Bureau employees. What is George's best estimate of the mean donation
A defective picture tube was discovered in the latest shipment. What is the probability that it came from Tyson Wholesale?
suppose that you have two fair dice with n sides. the first die has faces with numbers 12...n the second die has faces
Consider the following data from a simple random sample of size n = 2 from a population of size N = 8, in which y is the variable of interest and x is an auxiliary variable: y1 = 50, x1 = 10; y2 = 22, x2 = 2.
The distance travelled (in km) by a courier service motorcycle on 40 trips were recorded by the driver. Define the random variable and the data type.
4 cards are drawn from a deck of cards without replacement what is the probability that at least 1 of the cards is a
a committee of 2 is chosen at random from a population of 7 men and 8 women. what is the probability that the committee
a statewide real estate agency old colony specializes in residential home sales in nothern pa. records indicate the
A spring has a nonlinear force law such that the force necessary to compress the spring is given by: What is the chance that 1 item out of 30 would remain as 1 of the last 2 items if an item is removed 1 at a time?
The following problem arises in molecular biology. The surface of a bacterium consists of several sites at which foreign molecules-some acceptable and some not-become attached.
A raincoat manufacturer wants to know whether customers prefer any specific color over other colors in raincoats. He selects a random sample of 50 raincoats sold and notes the colors. At a = 0.10, is there a color preference for the raincoats?
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