Mathematics, 09.06.2020 19:57 billlyyyyyyyyyy
Barron's reported that the average number of weeks an individual is unemployed is 18.5 weeks. Assume that for the population of all unemployed individuals the population mean length of unemployment is 18.5 weeks and that the population standard deviation is 6 weeks. Suppose you would like to select a sample of 55 unemployed individuals for a follow-up study. A) show the sampling distribution of x, the sample mean average for a sample of 50 unemployment individuals. B) What is the probability that a simple random sample of 50 unemployment individuals will provide a sample mean within one week of the population mean?C) What is the probability that a simple random sample of 50 unemployed individuals will provide a sample mean within a half week of the population mean?
Answers: 2
Mathematics, 21.06.2019 13:00
1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5
Answers: 1
Mathematics, 21.06.2019 17:30
Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis
Answers: 1
Barron's reported that the average number of weeks an individual is unemployed is 18.5 weeks. Assume...
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