From past experience a company knows that on average 5% of their concrete does not meet standards.Use the normal approximation of the binomial distribution to determine the probability that among 2000 bags of concrete 75 bags contain concrete that does not meet standards.

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Q: A survey conducted for the Northwestern National Life Insurance Company revealed that 70% of…

A: It is given that n = 20 and p = 0.70.

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Q: What are the requirements needed to be a binomial distribution?

A: To find: What are the requirements needed to be a binomial distribution?

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A: Given, p = 0.05 n = 8 Binomial distribution probability is: P(X = x) = nCxpx(1-p)x

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Q: A(n) ________________________ distribution has mirror image sides such that if the distribution…

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Q: A survey indicates that 23% of US men select fishing as their favorite leisure activity. If you…

A: The mean is, μ=np=100×0.23=23 The standard deviation is, σ=np1-p=100×0.23×1-0.23=4.2083 The mean is…

Q: If X is binomially distributed with mean 3.20 and variance 1.152, find the complete binomial…

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Q: An airliner has a capacity for 250 passengers. If the airline company overbook a flight with 260…

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Q: A normal distribution has a mean of µ = 70 with σ = 12. If one score is randomly selected from this…

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A: Obtain the approximate probability of more than 13 successes in 20. The approximate probability of…

Q: A survey conducted for the Northwestern National Life Insurance Company revealed that 70% of…

A: It is given that n = 20 and p = 0.70.

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Q: What is the binomial distribution?

A: The binomial probability distribution is a discrete probability distribution in which the outcomes…

Q: According to a study done by Nick Wilson of Otago University Wellington, the probability a randomly…

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Q: Find the mean, μ, for a binomial distribution X~B(200,2). A cricket match is to be played over 4…

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A: Introduction: If X ~ Binomial (n, p), then the probability mass function of X is: Here, n is the…

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Q: Crusty Pizza Company has determined that 35% of its customers get thin crust pizza. Of the next 20…

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Q: he agency for healthcare research and quality reported that 53% of people who had coronary bypass…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: Makro has found that 26% of its staff are below the age of 20. A sample of 130 customers is randomly…

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Q: Suppose that half of all students (50%) in campus dormitories are dissatisfied with the food…

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Q: Assume that 64% of drivers ed students pass their driving test, and that this situation is modeled…

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Q: In order to use the binomial distribution, which of the following conditions are necessary?

A: here use basic of binomial distribution

Q: According to a Yale program on climate change communication survey, 71% of Americans think global…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: From the past experience, 30% of the stocks are profitable. What is the probability that 5 of the 7…

A: Obtain the mean of the random variable X.   The mean of the random variable X is obtained below as…

Q: A normal distribution has a mean of µ = 40 with σ = 8. If one score is randomly selected from this…

A: A normal distribution has a mean of µ = 40 with σ = 8.

Q: he variance of a binomial variable's distribution equals 100, for giver True O False

A: Let a random experiment be performed repeatedly, each repetition is called a trial. let the…

Q: (a) For a sample of 16 Americans, what is the probability that at least 13 believe global warming is…

A: (a) The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number…

Q: A recent study showed that 71% of adults need some type of corrective lens (glasses or contacts).…

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