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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...
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 0.08. 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)
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....
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...
Due Mon 0vn MA 120 Basic Statistics Homework Assignment 2 PLEASE SHOW ALL WORK ON SEPARATE...
Due Mon 0vn MA 120 Basic Statistics Homework Assignment 2 PLEASE SHOW ALL WORK ON SEPARATE PAPER. Do your own work. Pollow instructions. Point values are in parentheses 1, suppo sex is binomial with n 25, p - 0.38. (5) (a) Calculate P(x12) (10) (b) Calculate P (9 x 11) c) For this binomial distribution, calculate the mean , variance and standard deviation (5) 2. On the SAT test, clyde klutz achieved a score of 387. The national mean for...
The yield, in tons of ore per day, at a given coal mine is approximately normally...
The yield, in tons of ore per day, at a given coal mine is approximately normally distributed with mean 500 tons and standard deviation 50. a) Find the probability that at least 480 tons of ore will be mined on a given day. b) Find the proportion of working days in which anywhere from 510 to 580 tons is mined. c) Find the probability that on a given day, the yield will be below 605 tons Question 4: Most graduate...
we use those 2informations to do the following questions 0 Restaurant Data Probability of Correct Order...
we use those 2informations to do the following questions
0 Restaurant Data Probability of Correct Order at Restaurant B Data Sample size Probability of an event of interest 0.875 Parameters Mean 2.625 Variance 0.3281 Standard Deviation 0.5728 Binomial Probabilities Table X P(X) P(X) P[<X) P(X) P(2X) 0 0.0020 00020 0.0000 0.9980 1.0000 1 0.0410 430 0.0020 0.9570 0.9980 2 0.2871 0.3301 0.0430 0.6699 0.9570 3 0.6699 1.0000 0.3301 0.0000 0.6699 Probability of Correct Order at Restaurant C Probability of Correct...
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)
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....
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...
Due Mon 0vn MA 120 Basic Statistics Homework Assignment 2 PLEASE SHOW ALL WORK ON SEPARATE PAPER. Do your own work. Pollow instructions. Point values are in parentheses 1, suppo sex is binomial with n 25, p - 0.38. (5) (a) Calculate P(x12) (10) (b) Calculate P (9 x 11) c) For this binomial distribution, calculate the mean , variance and standard deviation (5) 2. On the SAT test, clyde klutz achieved a score of 387. The national mean for...
The yield, in tons of ore per day, at a given coal mine is approximately normally distributed with mean 500 tons and standard deviation 50. a) Find the probability that at least 480 tons of ore will be mined on a given day. b) Find the proportion of working days in which anywhere from 510 to 580 tons is mined. c) Find the probability that on a given day, the yield will be below 605 tons Question 4: Most graduate...
we use those 2informations to do the following questions
0 Restaurant Data Probability of Correct Order at Restaurant B Data Sample size Probability of an event of interest 0.875 Parameters Mean 2.625 Variance 0.3281 Standard Deviation 0.5728 Binomial Probabilities Table X P(X) P(X) P[<X) P(X) P(2X) 0 0.0020 00020 0.0000 0.9980 1.0000 1 0.0410 430 0.0020 0.9570 0.9980 2 0.2871 0.3301 0.0430 0.6699 0.9570 3 0.6699 1.0000 0.3301 0.0000 0.6699 Probability of Correct Order at Restaurant C Probability of Correct...
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