Fall 2021 Math 200 Quiz 2 Elementary Probability, Binomial Probability Distribution, Normal Curves and Sampling Distributions C. What is the probability that 3 or more of the six shark attacks are nonfatal? (2 points) c) _ d. What is the expected number of nonfatal shark attacks out of the six? What is the standard deviation of the r-probability distribution? (2 points)

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Q: Number of Unlicensed Software Packages X 0 1 2 3 4 P(x) 0.008 0.076 0.265 0.412 0.240

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A: The shape of the distribution is positively skewed (right skewed) .

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Q: Determine whether you can use the normal distribution to approximate the binomial distribution. If…

A: Given information: P(Favourite sport) = 0.34   n = 12

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A: From the given information we know, n=8  p=0.38 q=1-p=1-0.38=0.62 Mean of binomial random variable…

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A: Given,n=10p=0.1q=1-0.1=0.9A random variable X~Binomial(n=10 , p=0.1)P(X=x)=10x0.1x0.910-x    ;…

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A: Given: Number of trials (n) = 12 Probability of success (p) = 0.31 So, q = 1 - p          = 1 - 0.31…

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A: Let us assume X=the number of flights departed X follows a Poisson distribution with mean=5

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Q: A professor receives, on average, 100 e-mails from students the day before the final exam. To…

A: the problem can be solved using the concept of the binomial distribution.

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A: Sample size, n=20 Success probability, p=0.73

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Q: table to the right summarizes the age distribution for a company's employees. Each probability is…

A: Age (Years) Probability 20 - 340.2520  -490.620- 64 0.720 - 79 1

Q: Question 1 The probability that a tutor will see 0, 1, 2, 3, or 4 students 0 | 1 2 3| 4 1 5 4 P(x)…

A: For x=3, P(X)=1-427+127+59+527                          =227

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Q: Determine whether you can use the normal distribution to approximate the binomial distribution. If…

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Q: When the binomial distribution is be used, dependent. the outcomes must ylgn ihi

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A: The value of mean is 4.15, which is obtained as follows:

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