An integer is repeatedly drawn from the set {1,2, 3, ... , 10} at random with replacement. Let X be the number of integers from the set that do not show up in 20 consecutive draws. Find the mean EX (hint: express X as a sum of indicator random variables).

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A: Let "X" be the adults who use their smartphone in meetings or classes. I will use excel formula…

Q: According to a recent study, 23% of peanut M&M's are brown, 10% are yellow, 15% are red, 23% are…

A: The probability of M&M is yellows (p) is 0.10. The sample size n is 4.

Q: Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes.…

A: Let X be the number of adults use their smartphones in meeting or classes which follows binomial…

Q: Assume that when adults with smartphones are randomly​ selected, 44​% use them in meetings or…

A: Givenp=0.44sample size(n)=9Let "x" be the no.of adults use their smartphones in meetings or…

Q: A box contains 5 Balls labeled with the number "1", 3 balls labeled with the number "2", and 1 ball…

A:

Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A: It is given that the random variable X follows Binomial distribution with parameter p = 47% = 0.47…

Q: It is claimed that 20% of the people in a particular region have an infection. Suppose that ten…

A: Given: n=10, p=0.20.

Q: Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes.…

A: Let "X" be adults with smartphones who use them in meetings or classes. Use compliment rule, I…

Q: nd the probability that if 4 sticks are rarndomly arranged in a row, they will be arranged in order…

A: Number of ways of arranging 4 sticks will be: Total ways = 4!                 = 24

Q: Take the following sample of student grades from a class: 70, 88, 91, 75, 79, 77, 70, 74, 81, 90 If…

A: Chebyshev's inequality: Chebyshev's rule is appropriate for any distribution. That is, Chebyshev's…

Q: Kennedy was playing with a spinner that has 4 equal areas, numbered 1, 2, 3 and 4. Kennedy spun the…

A: The problem involves a spinner with 4 equal areas and Kennedy spun it 80 times, getting 16 fours. To…

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

A:

Q: casino. The numbers are:- a a a a a a for a game to win a jackpot in a a - - - 2 4 2 6 3 4 12 4…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 43​% use them in meetings or…

A: Let X be the number of adult use their smartphones in meetings or classes. X has binomial…

Q: t test is Select one: a. Right tailed Ob. All of Them O c. left tailed Od. Two tailed

A: We have to determine t -test is right tail or  left tail or two tail or all of them

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A: We have given that,  X be the random variable from binomial distribution with trails (n) = 11 and…

Q: 20% of testers pass an exam on average In the first year. 20 random students are randomly selected.…

A:

Q: The average wait time to get seated at a popular restaurant in the city on a Friday night is 15…

A: Solution Now test given hypothesis first we need to find out sample mean & sample standard…

Q: Construct the sample space for answering 3 true-false questions. Using the sample show why the…

A: It is an important part of statistics . It is widely used .

Q: One professional basketball player typically attempts eight free throws per game. Let X represent…

A:

Q: A survey asks respondents to tell how many jobs they have had over the last 1 years. Let x represent…

A: can take on non-negative integer values, including O and positive integers. So, the values for…

Q: Suppose that a box contains 5 RED blocks, 4 BLUE blocks, and 3 GREEN blocks.  Suppose that 4 blocks…

A: Let X denote the number of red blocks in a box of 4 blocks drawn from a bag containing 5 red blocks,…

Q: What is the probability of a group of 4 having a score of at least 60 if the mean is 50 and SD is 8?

A: It is given that  Mean, μ = 50 SD, σ = 8

Q: Find the probability that the sample mean of Xbar = 20 hours, as observed here, less than or equal…

A: We want to find the probability

Q: One professional basketball player typically attempts eight free throws per game. Let X represent…

A: