t is known that 35% of customers who shop at a market for more than 500 YTL do their shopping in installments. Since the standard error of the sample distribution of the rates for n=40 customers who shop more than 1000 YTL is 0.0753, find the probability of 20% to 36% of these n=40 customers to shop in installments? A) 0.364 B) 0.5284 C) 0.345 D) 0.96 E) 0.124

t is known that 35% of customers who shop at a market for more than 500 YTL do their shopping in installments. Since the standard error of the sample distribution of the rates for n=40 customers who shop more than 1000 YTL is 0.0753, find the probability of 20% to 36% of these n=40 customers to shop in installments? A) 0.364 B) 0.5284 C) 0.345 D) 0.96 E) 0.124

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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10 -)) It is known that 25% of the customers who shop more than 200.000 YTL in the big shopping mall, do their shopping in installments. Accordingly, what is the standard error of the sample distribution of the rates for 49 customers who shopped more than 200,000 YTL?A) 0.0012 B) 0.34 C) 0.045 D) 0.0011 E) 0.062
We know that 65% of all Americans prefer chocolate over vanilla ice cream. Suppose that 1000 people were randomly selected. 52. The standard error of the sample proportion is a) 0.03567 b) 0.01508 c) 0.01798 d) 0.3785 53. The Sampling Distribution of the sample proportion is a) Binomial ( 1000, 0.65) b) Normal( 0.65, 0.01508) c) Normal(10000,0.65) d) None of the above 54. What is the probability that our sample will have more than 70% of people prefer chocolate ice cream? a) 0.9995 b) 0.0005 c) 0.70 d) none of the above
1. It has been reported that the length of human pregnancies from conception to birth approximately follows a normal distribution with a mean of 266 days and a standard deviation of 16 days. a) Find the probability that the pregnancies will last between 240 to 270 days. b) What is the probability that the pregnancies will go beyond 270 days? c) what length of time marks the shortest 70% of all pregnancies? 2. a study on a sample of 60 pregnancies produced a mean of 265 days and a standard deviation of 15.5 days. Find the 95% confidence interval for estimating average length of human pregnancies
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23 - It is known that 35% of customers shopping for more than 500 YTL in a market shop in installments. Since the standard error of the sample distribution of the rates for n=40 customers who shop more than 1000 YTL is 0.0753, find the probability of 20% to 36% of these n=40 customers to shop in installments?A) 0.96 B) 0.364 C) 0.345 D) 0.124 E) 0.5284
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4 - It is known that 35% of customers who shop at a market for more than 500 YTL do their shopping in installments. Since the standard error of the sample distribution of the rates for n=40 customers who shop more than 1000 YTL is 0.0753, find the probability of 20% to 36% of these n=40 customers to shop in installments?A) 0.364 B) 0.345 C) 0.5284 D) 0.124 E) 0.96
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