ohn surfs the website on a regular basis. Suppose the time he spent surfing the website per day is normally distributed, µ = 8 minutes and σ = 2 minutes. If you select a random sample of 4 sessions, What is the probability that the sample mean is less than 8 minutes? Explain What is the probability that sample mean is between 8 and 10 minutes?

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A: Here we want to Determine the probability that none of the friends earn an "A" in the class.

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A: sample size n=196proportion mean =proportion the standard deviation is ==0.028561) it follows normal…

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Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: From the provided information, 56% of politicians are lawyers that is p = 0.56 Sample size (n) = 546

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A: Given Information:

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A: Given that, A student takes a multiple choice exam with 10 questions, each with four possible…

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A: It is given that n = 8 and p =0.45.

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Q: Suppose 58% of politicians are lawyers. If a random sample of size 681 is selected, what is the…

A: It is given that n =681 and p =0.58.

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A:

Q: A group of statistics students decided to conduct a survey at their university to find the average…

A: Given Information: Sample size n=144 Mean μ=20 Standard deviation σ=10 Required: To find the…

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A: The average amount of time spent with a customer is 160 seconds.

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A: Given data, p=6% =0.06 n=300 P(0.04<X<0.07)=?

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A:

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A: Given data, p=45%=0.45 n=120 P(p>0.42)=?

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A: Given n=60 Population proportion=0.70 p=0.66

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

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Q: #02.  The top web browser in 2015 was Chrome with 51.74% of the market. In a random sample of 250…

A: Population proportion = 0.5174 Sample proportion = 110/250 = 0.44

Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: Given: 56% of politicians are lawyers that is proportion (p) = 0.56 Sample size (n) = 564

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A: From the given information, the sample size is 90 and the  proportion is 78%. The mean of the sample…

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Q: know the answer is 0.0166. I am struggling to remember the steps to get the answer. The image is to…

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Q: n = 143 is the number of M&Ms in my bag and x =6 is my count for Green M&Ms. Using the sample of n…

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Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

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Q: Assuming that the probability of failure for a large number of manufactured CPU chipset is 0.25.…

A: Answer is  0.091