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Give an example of a discrete random variable.
Question 5 Not yet answered Points out of...
Question4 Not yet answered Points out of 4.00 Flag question Give an example of a continuous...
Question4 Not yet answered Points out of 4.00 Flag question Give an example of a continuous random variable. Select one: a. The number of coins contained in a slot machinde b. The number of traffic accidents in a city C. The number of gallons of water in a reservoir d. The number of tables sold at a furniture store e. The number of fish caught by a fishing boat
Question 17 Not yet answered Points out of 4.00 Flag question Let z be a random...
Question 17 Not yet answered Points out of 4.00 Flag question Let z be a random variable with a standard normal distribution. Find the indicated probability below P(z s 1.5) Select one: O a. 0.933 О b. 0.022 С. 0.967 o d. 0.067 e e. 0.033
Question 25 Not yet answered Points out of 4.00 P Flag question The heights of I8.-year-old...
Question 25 Not yet answered Points out of 4.00 P Flag question The heights of I8.-year-old men are approximately normally distributed with mean 68 inches and standard deviation 3 inches. What is the probability that the average height of a sample of ten 18-year-old men will be between 71 and 78 inches? Select one: a. 0.0008 O b. 04992 O C. 0.0318 O d. 0.0016 o e. 09992 Previous page Finish attempt O Type there to search 8 9
Give an example of a discrete or continuous random variable X (by giving the p.m.f. or...
Give an example of a discrete
or continuous random variable X (by giving the p.m.f. or p.d.f.)
whose cumulative distribution function F(x) satisfies F(n)=1-1/n!
Thank you very much!
Exercise 3.40. Give an example of a discrete or continuous random variable X p.d.f.) whose the cumulative distribution function F(x) (by giving the p.m.f satisfies F(n)1 - i for each positive integer n or
Question 22 Not yet answered Points out of 4.00 Flag question The heights of 18-year-old men...
Question 22 Not yet answered Points out of 4.00 Flag question The heights of 18-year-old men are appoximately normally istributed with mecan 6s nches and standard deviation 3 inches. What is the probability that on 18-year-old man selected at random is greater than 74 inches tall? Select one O a. 0.9544 O b.0.4772 O C.0.0228 O d. 00456 o e. 0.9772 Previous page Next page 0 Type here to search Prtsen 0
Question 13 Not yet answered Points out of 4.00 Flag question Suppose that on the leeward...
Question 13 Not yet answered Points out of 4.00 Flag question Suppose that on the leeward side ofthe island of Oahu, in the small village of Nanakuli, about 40% of the residents are of Hawanan ancestry. Let 1 2 3 represent the number of people you must meet until you encounter the first person of Hawaiian ancestry in the village of Nanakuli. The formula for the probability distribution of the random variable n is given as Pn)-(0.40xo.60)-1 What is the...
Question 4 Not yet answered Marked out of 2 P Flag question A continuous random variable...
Question 4 Not yet answered Marked out of 2 P Flag question A continuous random variable X has the following density function (2x+1) 1<x<3 f(x)= 10 . Find 0, otherwise P( 2 < x < 2.5) = a. 0.275 O b. 2.13 O c.0.1 d. 0.05 Question 5 1
7.Give an example of a discrete-type random variable with an infinite mean. (Give the p.m.f., and...
7.Give an example of a discrete-type random variable with an
infinite mean. (Give the p.m.f., and show that the mean is
infinite.)
6. Suppose that X is a non-negative, integer-valued random variable. See if you can simplify k-1{x>k}. (I am using 1{x>k) as the indicator function of the event {X > k}. So if X = 5 and k = 3, then the indicator function is 1. On the other if X = 5 and k = 7, then the...
Answer the following: a) Describe the difference between a discrete and a continuous random variable. Give an example of each.
Answer the following: a) Describe the difference between a discrete and a continuous random variable. Give an example of each. b) Describe probability density function c) Differentiate between retrospective and observational studies d) What is the significance of the Central Limit Theorem in statistics?
Question 4 Not yet answered Points out of 4.00 Flag question A person's level of blood...
Question 4 Not yet answered Points out of 4.00 Flag question A person's level of blood glucose and diabetes are closely related. Let r be a random variable measured in milligrams of glucose per deciliter (1/10 of a liter) of blood. Suppose that after a 12-hour fast, the random variable x will ave a distribution that is approximately normal with mean 90 standard deviation ofơ-21 What is the probability that, for an adult after a 12-hour fast, x is less...
Question4 Not yet answered Points out of 4.00 Flag question Give an example of a continuous random variable. Select one: a. The number of coins contained in a slot machinde b. The number of traffic accidents in a city C. The number of gallons of water in a reservoir d. The number of tables sold at a furniture store e. The number of fish caught by a fishing boat
Question 17 Not yet answered Points out of 4.00 Flag question Let z be a random variable with a standard normal distribution. Find the indicated probability below P(z s 1.5) Select one: O a. 0.933 О b. 0.022 С. 0.967 o d. 0.067 e e. 0.033
Question 25 Not yet answered Points out of 4.00 P Flag question The heights of I8.-year-old men are approximately normally distributed with mean 68 inches and standard deviation 3 inches. What is the probability that the average height of a sample of ten 18-year-old men will be between 71 and 78 inches? Select one: a. 0.0008 O b. 04992 O C. 0.0318 O d. 0.0016 o e. 09992 Previous page Finish attempt O Type there to search 8 9
Give an example of a discrete
or continuous random variable X (by giving the p.m.f. or p.d.f.)
whose cumulative distribution function F(x) satisfies F(n)=1-1/n!
Thank you very much!
Exercise 3.40. Give an example of a discrete or continuous random variable X p.d.f.) whose the cumulative distribution function F(x) (by giving the p.m.f satisfies F(n)1 - i for each positive integer n or
Question 22 Not yet answered Points out of 4.00 Flag question The heights of 18-year-old men are appoximately normally istributed with mecan 6s nches and standard deviation 3 inches. What is the probability that on 18-year-old man selected at random is greater than 74 inches tall? Select one O a. 0.9544 O b.0.4772 O C.0.0228 O d. 00456 o e. 0.9772 Previous page Next page 0 Type here to search Prtsen 0
Question 13 Not yet answered Points out of 4.00 Flag question Suppose that on the leeward side ofthe island of Oahu, in the small village of Nanakuli, about 40% of the residents are of Hawanan ancestry. Let 1 2 3 represent the number of people you must meet until you encounter the first person of Hawaiian ancestry in the village of Nanakuli. The formula for the probability distribution of the random variable n is given as Pn)-(0.40xo.60)-1 What is the...
Question 4 Not yet answered Marked out of 2 P Flag question A continuous random variable X has the following density function (2x+1) 1<x<3 f(x)= 10 . Find 0, otherwise P( 2 < x < 2.5) = a. 0.275 O b. 2.13 O c.0.1 d. 0.05 Question 5 1
7.Give an example of a discrete-type random variable with an
infinite mean. (Give the p.m.f., and show that the mean is
infinite.)
6. Suppose that X is a non-negative, integer-valued random variable. See if you can simplify k-1{x>k}. (I am using 1{x>k) as the indicator function of the event {X > k}. So if X = 5 and k = 3, then the indicator function is 1. On the other if X = 5 and k = 7, then the...
Question 4 Not yet answered Points out of 4.00 Flag question A person's level of blood glucose and diabetes are closely related. Let r be a random variable measured in milligrams of glucose per deciliter (1/10 of a liter) of blood. Suppose that after a 12-hour fast, the random variable x will ave a distribution that is approximately normal with mean 90 standard deviation ofơ-21 What is the probability that, for an adult after a 12-hour fast, x is less...
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