he listed occupations of stockholders of a national computer company included 9% who were housewives. If six of these stockholders are randomly selected, what is the probability that none are housewives

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A: n1=197820 x1=25 n2=196175 x2=75

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A: Given Information: Mean μ=266 Standard deviation σ=12

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Q: The acceptable level for insect filth in a certain food item is 2 insect fragments (larvae, eggs,…

A: Solution: Given thatsample mean x¯ has follow normal distribution with mean μx¯=2 and standard…

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A: Given data:

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Q: You would like to construct a 99% confidence interval to estimate the population mean annual income…

A: given data, confidence interval =0.90α=1-0.90=0.10X¯=40202s=7423

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A: A. Sample mean= population mean= 85 B. Sample standard deviation= 4

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A: Given: X = 3.66 s = 0.20

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A: Given that the joint density function of X and Y Random variable. K= 3/ 10698464

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A: 7-green  balls5-black balls 12- total balls three balls are drawn one after the other we have to…

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A: From given data we have : nA∩B=12n(A∩B∩C)=4nA∩C=9nB∩C=4nA∩C'=18nB∩C'=17nC=12nA'∩B'∩C'=3

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A: Option A is the answer. Answer : always produce reliable results

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Q: Do you want to own your own candy store? Wow! With some interest in running your own business and a…

A: From given data we have : x: 94 171 135 92 75 94 116 100 85 n=9 ∑x=962

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A: given data, n=54x=41p^=xn=4154=0.7593claim:p>0.66

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Q: Example 1.15 You know that a certain letter is equally likely to be in any one of three different…

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Q: In an (M/M/1): (/FIFO) queueing model, the arrival and service rates are λ = 12/hour and μ =…

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Q: Before After 6.9 6.3 3.6 2.1 7.3 7.1 12.8 8.6 8.5 8.2 10.1 6.4 8.4 3.9 5.2 2.1

A: We find the differences of ‘before’ and ‘after’. di= Xi-Yi

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Q: The following data represent the running times of films produced by 2 motion-picture companies: Co.…

A: The following information has been provided: 1 2 102 81 86 165 98 97 109 134 92 92…

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Q: Suppose the lengths of human pregnancies are normally distributed with μ = 266 days and o= 16 days.…

A: Solution: Given that , suppose the length of human pregnancies are normally distributed with μ=266…

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A: Solution-: The t test for the difference between the means of two samples makes what assumption?…

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A: Givensample size(n)=100Mean(x)=5.5standard deviation(s)=2confidence level=90%

Q: A researcher claims that the distribution of favorite pizza toppings among teenagers is as shown…

A: Given information: Topping Cheese Pepperoni Sausage Mushrooms Onions Results(n = 200) 78 52 30…