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Chapter 10 section 10.5 problem 48de 56b Chapter 10, Section 10.5, Problem 4 de A sample...

Question:

chapter 10 section 10.5 problem 48de
Chapter 10, Section 10.5, Problem 4 de A sample of 600 observations taken from the first population gave 330. Another sample
56b
5 Chapter 10, Supplementary Exercises Problem 056b A consulting agency was asked by a large insurance company to investigate
Chapter 10, Section 10.5, Problem 4 de A sample of 600 observations taken from the first population gave 330. Another sample of 500servations taken from the second population gave = 310 Find the two HP. >P Will you reject the above mentioned i hypothesis at a significance level of 255 (one-talet? Round your answer to two decimal places The value of tis We the hypothesis the absolute tolerance +/-0.01
5 Chapter 10, Supplementary Exercises Problem 056b A consulting agency was asked by a large insurance company to investigate business majors were better salespersons than those with other majors. A sample of 50 salespersons with beste wed they de 13 insurance policies per week with a standard deviation of 3.65 pollices. Another sample of 45 salespersons with a degree other than business showed that they solderage of 10 pcs per week with a standarden 4.02 pouces Using a 2.5% significance level, can you conclude that persons with a business degree are better salesperson than those who have a degree in another area? It can be shown that -- 0.79092983. Let be the average insurance policies sold per week by salespersons with a business degree and be the average Insurance policies sold per week by salespersons with a peter than be Round your answers to one decimal place We conclude that persons with a business degree salespersons the absolute tolerance is +/-0.2

Answers

Answer :- 48 Given re 330 n, 600 Dz 500 X2=310 = 0.55 sa con sample proportions are 330 x 600 Rz 310 P2 - 1₂ 500 pooled propo566) Given di = 13 Si= 3.65 50 n2 = 45 x2 = 10 S₂ =4.02 saus = 0.79092983 az 2,5y, = 0.025 X, X2 13-10 Z ll 1 S ki - 0.790929

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