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The probability distribution function for the number of years it takes to complete a B.S. degree...
Problem 4 A bailet instructor is interested in knowing what percent of each year's class will...
Problem 4 A bailet instructor is interested in knowing what percent of each year's class will continue on to the next, so that she can plan what classes to offer. Over the years, she has established the following probability distribution. (Let X the number of years a student will study ballet with the teachec, and Px) the probability that a student will study ballet for x years) Expand All x Pa) 2 0.2 0.2 0.25 0.05 6 0.1 7 0.15...
Using the table below to answer the following five questions: A company wants to evaluate its...
Using the table below to answer the following five questions: A company wants to evaluate its attrition rate, in other words, how long new hires stay with the company. Over the years, they have established the following probability distribution. Let X be the number of years a new hire will stay with the company. Also, let Pbx) be the probability that a new hire will stay with the company x years. P(x) 0.12 0.18 0.30 0.15 0.1 0.05 (a) Complete...
Determine if the following tables can serve as a probability distribution for some random variable based...
Determine if the following tables can serve as a probability distribution for some random variable based on the three conditions: (1) $X$ values are numerical. (2) $P(x)$ values are between 0 and 1 and. (3) sum of P(x) values is 1 (P(x) = 1). If all three conditions are met, write not applicable (NA) for the second part. (a) x 02 3 4 5 P(x) 0.2 0.24 0.16 0.3 0.2 This table a a probability distribution because it does not...
Complete the following probability distribution table: Probability Distribution Table X P(X) 10 33 0.2 37 0.1...
Complete the following probability distribution table: Probability Distribution Table X P(X) 10 33 0.2 37 0.1 49 0.3
Probability Distribution Table X P(X) −6-6 1111 0.1 2525 0.3 6969 0.3 Complete the following probability...
Probability Distribution Table X P(X) −6-6 1111 0.1 2525 0.3 6969 0.3 Complete the following probability distribution table:
the following table presents the probability distribution of the number of vacations X taken last year...
the following table presents the probability distribution of
the number of vacations X taken last year for a randomly chosen
family.
Question 6 0.1 pts The following table presents the probability distribution of the number of vacations X taken last year for a randomly chosen family. Find P(1 or more). x 0 P(x) 0.15 1 0.56 2 0.15 3 4 0.1 0.04 0.29 0.56 0.71 0.85
Need to show work 10. Let X -number of books purchased by students at your school...
Need to show work
10. Let X -number of books purchased by students at your school during a given academic term. The probability distribution for X is given in the following table. X- number of books2 3 4 5 67 Probability 0.05 0.10 020 035 0.10 0.15 0.05 (a) A student is randomly chosen from the student population. What is the probability that the student purchased five or more books during the current academic term? Answer: 0.3 (b) What is...
) Salesw oman Sally used her previous years' sales records to construct the following probability distribution...
) Salesw oman Sally used her previous years' sales records to construct the following probability distribution for the random variable X. The random variable X represents the number of sales per day Corresponding to each value of X is its probability. X P(x) 0 0.25 1 0.30 2 0.15 3 0.10 4 0.10 5 0.10 a) What is the probability that between 2 and 4 sales, inclusixe, will be made on any given day? b) Compute the mean or expected...
Suppose that 20, 000 married adults in the United States were surveyed as to the number...
Suppose that 20, 000 married adults in the United States were surveyed as to the number of children they have. The results are compiled and used as theoretical probabilities. Let X equal the number of children, with PDF as per the table below. All entries are to be decimal values accurate to the nearest 0.01 P(x) x. P(x) Collapse Al 0.15 2 0.15 3 0.3 0.2 5 0.05 0.1 a. Complete the table above. b. Determine the expected value. EX]...
1. The following is the probability distribution of the number of customers buying bicycle accessories at...
1. The following is the probability distribution of the number of customers buying bicycle accessories at a particular shop in one day. 1 4 X P(X = x) 0 0.05 2 0.15 3 0.25 5 0.30 6 0.05 0.10 a (a) (b) (c) Compute the value of a. Find the probability that the shop did not sell any bicycle accessory in one day. Find the probability that at least three customers bought from the shop in one day. Find the...
Problem 4 A bailet instructor is interested in knowing what percent of each year's class will continue on to the next, so that she can plan what classes to offer. Over the years, she has established the following probability distribution. (Let X the number of years a student will study ballet with the teachec, and Px) the probability that a student will study ballet for x years) Expand All x Pa) 2 0.2 0.2 0.25 0.05 6 0.1 7 0.15...
Using the table below to answer the following five questions: A company wants to evaluate its attrition rate, in other words, how long new hires stay with the company. Over the years, they have established the following probability distribution. Let X be the number of years a new hire will stay with the company. Also, let Pbx) be the probability that a new hire will stay with the company x years. P(x) 0.12 0.18 0.30 0.15 0.1 0.05 (a) Complete...
Determine if the following tables can serve as a probability distribution for some random variable based on the three conditions: (1) $X$ values are numerical. (2) $P(x)$ values are between 0 and 1 and. (3) sum of P(x) values is 1 (P(x) = 1). If all three conditions are met, write not applicable (NA) for the second part. (a) x 02 3 4 5 P(x) 0.2 0.24 0.16 0.3 0.2 This table a a probability distribution because it does not...
the following table presents the probability distribution of
the number of vacations X taken last year for a randomly chosen
family.
Question 6 0.1 pts The following table presents the probability distribution of the number of vacations X taken last year for a randomly chosen family. Find P(1 or more). x 0 P(x) 0.15 1 0.56 2 0.15 3 4 0.1 0.04 0.29 0.56 0.71 0.85
Need to show work
10. Let X -number of books purchased by students at your school during a given academic term. The probability distribution for X is given in the following table. X- number of books2 3 4 5 67 Probability 0.05 0.10 020 035 0.10 0.15 0.05 (a) A student is randomly chosen from the student population. What is the probability that the student purchased five or more books during the current academic term? Answer: 0.3 (b) What is...
) Salesw oman Sally used her previous years' sales records to construct the following probability distribution for the random variable X. The random variable X represents the number of sales per day Corresponding to each value of X is its probability. X P(x) 0 0.25 1 0.30 2 0.15 3 0.10 4 0.10 5 0.10 a) What is the probability that between 2 and 4 sales, inclusixe, will be made on any given day? b) Compute the mean or expected...
Suppose that 20, 000 married adults in the United States were surveyed as to the number of children they have. The results are compiled and used as theoretical probabilities. Let X equal the number of children, with PDF as per the table below. All entries are to be decimal values accurate to the nearest 0.01 P(x) x. P(x) Collapse Al 0.15 2 0.15 3 0.3 0.2 5 0.05 0.1 a. Complete the table above. b. Determine the expected value. EX]...
1. The following is the probability distribution of the number of customers buying bicycle accessories at a particular shop in one day. 1 4 X P(X = x) 0 0.05 2 0.15 3 0.25 5 0.30 6 0.05 0.10 a (a) (b) (c) Compute the value of a. Find the probability that the shop did not sell any bicycle accessory in one day. Find the probability that at least three customers bought from the shop in one day. Find the...
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