Calculus and Above

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Suppose we want to determine the (binomial) probability (p)
Suppose we want to determine the (binomial) probability (p) of getting 5 heads in 15 flips of a 2-sided coin. Using the Binomial table in the appendix of the text, what values of n, x, and p would we … read more
Rajan.Sareen
Rajan.Sareen
Sr. Statistician
Master's Degree
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What percentage of the distribution will be within 3 standard
What percentage of the distribution will be within 3 standard deviations of the mean according to the Empirical Rule? (for normally distributed data) According to Chebyshev's theorem for any distribut… read more
Rajan.Sareen
Rajan.Sareen
Sr. Statistician
Master's Degree
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statistics5.9) Determine the following:A) for n = 4 and
statistics 5.9) Determine the following: A) for n = 4 and π = 0.12, what is P(X = 0)? B) for n = 10 and π = 0.40, what is P(X = 9)? C) for n = 10 and π = 0.50, what is P(X = 8)? D) for n = 6 and π = 0… read more
Ryan
Ryan
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1. The cashier service time at the local branch of the Rivertown
1. The cashier service time at the local branch of the Rivertown bank has an exponential distribution with a mean of 2.5 minutes. What is the probability that the service time: Is between 2 and 4 minu… read more
akch2002
akch2002
Master's Degree
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NBC TV news, in a segment on the price of gasoline
1. NBC TV news, in a segment on the price of gasoline, reported last evening that the mean price nationwide is $1.50 per gallon for self-serve regulate unleaded. A random sample of 35 stations in the … read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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1) Given a binomial distribution with n = 29 and p = 0.83,
1) Given a binomial distribution with n = 29 and p = 0.83, would the normal distribution provide a reasonable approximation? Why or why not? 2) Find the value of z such that approximately 8.32% of the… read more
Math-John
Math-John
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Nationwide, 68% of American adults own a cell phone . Let
Nationwide, 68% of American adults own a cell phone . Let us define "owning a cell phone" as the desired trait within a study and suppose that a random sample of 5 American adults is taken. Answer the… read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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1. Determine whether each of the distributions given below
1. Determine whether each of the distributions given below represents a probability distribution. Justify your answer. (A) x 1 2 3 4 P(x) 3/10 1/5 1/5 3/10 (B) x 3 6 8 P(x) 0.2 3/5 3/10 (C) x 20 30 40… read more
Scott
Scott
MIT Graduate
Master's Degree
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1. If the random variable z is the standard normal score, is
1. If the random variable z is the standard normal score, is it true that P(-1 < z < 1) could easily be approximated without referring to a table? Why or why not? 2. Given a binomial distributio… read more
Math-John
Math-John
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1) A set of 50 data values has a mean of 27 and a variance
1) A set of 50 data values has a mean of 27 and a variance of 16. I. Find the standard score (z) for a data value = 19. II. Find the probability of a data value < 19. 2) Find the area under the sta… read more
Math-John
Math-John
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Answer the following:(A) Find the binomial probability P(x
Answer the following: (A) Find the binomial probability P(x = 5), where n = 14 and p = 0.50. (B) Set up, without solving, the binomial probability P(x is at most 5) using probability notation. (C) How… read more
Ryan
Ryan
Bachelor's Degree
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I. a. What percentage of the area of the standard normal distribution
I. a. What percentage of the area of the standard normal distribution is between z = -2.00 and z = +2.00? How do you know this? b. Find the following: P(z > 2.43) II. 1. A set of 50 data values has… read more
Chirag
Chirag
Master's Degree
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1. A set of 50 data values has a mean of 44 and a variance
1. A set of 50 data values has a mean of 44 and a variance of 16. I. Find the standard score (z) for a data value = 51. II. Find the probability of a data value < 51. 2. Find the area under the sta… read more
Scott
Scott
MIT Graduate
Master's Degree
16,084 satisfied customers
Use the following weights in pounds of a sample of high school
Use the following weights in pounds of a sample of high school football players to answer 1-20 below. X = {181, 206, 168, 163, 162, 184, 253, 162, 166, 165, 168, 150, 195, 200, 225, 166, 174, 166, 186… read more
Sandhya
Sandhya
Master's Degree
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Which one of the following is not an assumption of the binomial
Which one of the following is not an assumption of the binomial distribution? a. Each trial results in "success" or "failure" b. The experiment consists of n identical trials c. The probability of suc… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
1.(TCO 5) We have a binomial experiment with p = 0.4 and n
1.(TCO 5) We have a binomial experiment with p = 0.4 and n = 2. (A) Set up the probability distribution by showing all x values and their associated probabilities. (B) Compute the mean, variance, and … read more
SusanAthena
SusanAthena
Master's Degree
Master's Degree
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Hi Greg, got another one. Could you do this one by midnight
Hi Greg, got another one. Could you do this one by midnight tonight? If so then here it is. Again, intro statistics. Thanks Greg! 1. If the random variable z is the standard normal score and a > 0,… read more
Mr. Gregory White
Mr. Gregory White
Master's Degree
Master's Degree
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Hi Greg, I have another assignment if you want it. Please
Hi Greg, I have another assignment if you want it. Please show the work. It's more intro statistics stuff. 1. A set of 50 data values has a mean of 30 and a variance of 4. I. Find the standard score (… read more
Mr. Gregory White
Mr. Gregory White
Master's Degree
Master's Degree
114 satisfied customers
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