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![111 0.000 x=c(0:9) p=dbinom (X,9,0.07);p [1] 5.204111e-01 3.525365e-01 1.0614002-01 1.864108e-02 2.104638e-03 16] 1.5841360-0](http://img.homeworklib.com/questions/d160c700-0e8c-11eb-862c-2bbce44af4fc.png?x-oss-process=image/resize,w_560)
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Bottomline Ink, a forma management company, fills 9 orders a day...
question: Past records indicate that the probability of online retail orders that turn out to be...
question: Past records indicate that the probability of online retail orders that turn out to be fraudulent is 0.07 Suppose that, on a given day, 24 online retail orders are placed. Assume that the number of online retail orders that turn out to be fraudulent is distributed as a binomial random variable. Complete parts (a) through (d) below. a. What are the mean and standard deviation of the number of online retail orders that turn out to be fraudulent? The...
please answer c and d part The number of network errors happened in a day on...
please answer c and d part The number of network errors happened in a day on a local area network (LAN) is distributed as a Poisson random variable. The mean number of network errors happened in a day is 3.4. (a) What is the probability that there are more than four network errors in a day? (b) What is the probability that there are exactly a total of 8 network errors in two consecutive days? (c) There is a penalty...
Past records indicate that the probability of online retail orders that turn out to be fraudulent...
Past records indicate that the probability of online retail orders that turn out to be fraudulent is 0.050.05. Suppose that, on a given day, 2020 online retail orders are placed. Assume that the number of online retail orders that turn out to be fraudulent is distributed as a binomial random variable. Complete parts (a) through (d) below. a. What are the mean and standard deviation of the number of online retail orders that turn out to be fraudulent? . What...
with explanation please question 7 it is with replacement QUESTION 5 Answer the question. Assume that...
with explanation please question 7 it is with replacement
QUESTION 5 Answer the question. Assume that a probability distribution is described by the discrete random variable x that can assume the values 1, 2,...,n; and those values are equally likely. This probability has mean and standard deviation described as follows: 1 = *and o = 1/2 Show that the formulas hold for the case of n = 7. TTT Arial 3 (12pt) T E NSO's Path:p Words:0 QUESTION 7 Determine...
Past records indicate that the probability of online retail orders that turn out to be fraudulent...
Past records indicate that the probability of online retail orders that turn out to be fraudulent is 0.06 Suppose that, on a given day, 19 online retail orders are placed. Assume that the number of online retail orders that turn out to be fraudulent is distributed as a binomial random variable. Complete parts (a) through (d) below. a. What are the mean and standard deviation of the number of online retail orders that turn out to be fraudulent? The mean...
Past records indicate that the probability of online retail orders that turn out to be fraudulent...
Past records indicate that the probability of online retail orders that turn out to be fraudulent is 0.08. Suppose that, on a given day, 20 online retail orders are placed. Assume that the number of online retail orders that turn out to be fraudulent is distributed as a binomial random variable. a. What are the mean and standard deviation of the number of online retail orders that turn out to be fraudulent? b. What is the probability that zero online...
Question 5. A lahmacun company has found that service times for orders follow a normal distribution...
Question 5. A lahmacun company has found that service times for orders follow a normal distribution with a mean of 40 minutes and a standard deviation of 10 minutes. A random sample of five orders was taken. a) The probability is 0.2 that the sample mean of service times is less than how many minutes? (10 pts) b) What is the probability that more than one of these orders take more than 60 minutes? (10 pts)
A company uses 81 circuit boards a day in a manufacturing process. The person who orders...
A company uses 81 circuit boards a day in a manufacturing process. The person who orders the boards follows this rule: Order when the amount on hand drops to 630 boards. Orders are delivered approximately 7 days after being placed. The delivery time is normal with a mean of 7 days and a standard deviation of .90 days. What is the probability that the supply of circuit boards will be exhausted before the order is received if boards are reordered...
Question 6 9 pts The lengths of all pregnancies are normally distributed with a mean of...
Question 6 9 pts The lengths of all pregnancies are normally distributed with a mean of 273 days and a standard deviation of 20 days. If 64 women are randomly selected, find the probability that they have a mean pregnancy between 270.5 days and 275.5 days. Question 7 9 pts The distribution of body temperatures of all adults has a mean of 98.6°F and a standard deviation of 0.60° F. If a sample of 49 adults are randomly selected, find...
Let x be the binomial random variable with n=10 and p = 9 a. Find P(x...
Let x be the binomial random variable with n=10 and p = 9 a. Find P(x = 8) and create a cumulative probability table for the distribution. b. Find P( x is less than or equal to 7) and P(x is greater than 7) c. Find the mean, u, the standard deviation, o, and the variance. d. Does the Empirical rule work on this distribution for data that is within one, two or three standard deviations of the mean? Explain....
with explanation please question 7 it is with replacement
QUESTION 5 Answer the question. Assume that a probability distribution is described by the discrete random variable x that can assume the values 1, 2,...,n; and those values are equally likely. This probability has mean and standard deviation described as follows: 1 = *and o = 1/2 Show that the formulas hold for the case of n = 7. TTT Arial 3 (12pt) T E NSO's Path:p Words:0 QUESTION 7 Determine...
Question 5. A lahmacun company has found that service times for orders follow a normal distribution with a mean of 40 minutes and a standard deviation of 10 minutes. A random sample of five orders was taken. a) The probability is 0.2 that the sample mean of service times is less than how many minutes? (10 pts) b) What is the probability that more than one of these orders take more than 60 minutes? (10 pts)
Question 6 9 pts The lengths of all pregnancies are normally distributed with a mean of 273 days and a standard deviation of 20 days. If 64 women are randomly selected, find the probability that they have a mean pregnancy between 270.5 days and 275.5 days. Question 7 9 pts The distribution of body temperatures of all adults has a mean of 98.6°F and a standard deviation of 0.60° F. If a sample of 49 adults are randomly selected, find...
Let x be the binomial random variable with n=10 and p = 9 a. Find P(x = 8) and create a cumulative probability table for the distribution. b. Find P( x is less than or equal to 7) and P(x is greater than 7) c. Find the mean, u, the standard deviation, o, and the variance. d. Does the Empirical rule work on this distribution for data that is within one, two or three standard deviations of the mean? Explain....
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