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TABLE 2 shows the probability distribution of X number of new handphone sold per day at a cellular phone company kiosk. TABLE 2 8 9 10 P(X = x) | 0.03 0.08 0.15 0.20 6 7 11 12 13 14 0.19 | 0.16| 0.10 | 0.07| 0.02 a. Show that the above distribution is a probability distribution of the random variable X. b. Find the probability that the worker at the kiosk to sell at least 10 new handphones per day. Is it possible for the worker at the kiosk to sell more than 14 new handphones? Justify your с.

TABLE 2 shows the probability distribution of X number of new handphone sold per day at a cellular phone company kiosk. TABLE 2 8 9 10 P(X = x) | 0.03 0.08 0.15 0.20 6 7 11 12 13 14 0.19 | 0.16| 0.10 | 0.07| 0.02 a. Show that the above distribution is a probability distribution of the random variable X. b. Find the probability that the worker at the kiosk to sell at least 10 new handphones per day. Is it possible for the worker at the kiosk to sell more than 14 new handphones? Justify your с.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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TABLE 2 shows the probability distribution of X number of new handphone sold per day at a cellular phone company kiosk. TABLE 2 6 9 10 0.19 0.16| 0.10 | 0.07| 0.02 7 8 11 12 13 14 P(X = x) 0.03 0.08 0.15 0.20 Show that the above distribution is a probability distribution of the random variable X. a. b. Find the probability that the worker at the kiosk to sell at least 10 new handphones per day. c. Is it possible for the worker at the kiosk to sell more than 14 new handphones? Justify your answer. d. Draw a graph for the probability of distribution of X. e. Calculate the expected number of new handphones to be sold per day. Interpret the result. f. Compute the standard deviation of new handphones to be sold per day.
Transcribed Image Text:TABLE 2 shows the probability distribution of X number of new handphone sold per day at a cellular phone company kiosk. TABLE 2 6 9 10 0.19 0.16| 0.10 | 0.07| 0.02 7 8 11 12 13 14 P(X = x) 0.03 0.08 0.15 0.20 Show that the above distribution is a probability distribution of the random variable X. a. b. Find the probability that the worker at the kiosk to sell at least 10 new handphones per day. c. Is it possible for the worker at the kiosk to sell more than 14 new handphones? Justify your answer. d. Draw a graph for the probability of distribution of X. e. Calculate the expected number of new handphones to be sold per day. Interpret the result. f. Compute the standard deviation of new handphones to be sold per day.
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