shows the probability distribution of X number of new handphone sold per day at a cellular phone company kiosk. TABLE 2 X 6 7 8 9 10 11 12 13 14 0.03 0.08 0.15 0.20 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. C ) Is it possible for the worker at the kiosk to sell more than 14 new handphones? Justify your
shows the probability distribution of X number of new handphone sold per day at a cellular phone company kiosk. TABLE 2 X 6 7 8 9 10 11 12 13 14 0.03 0.08 0.15 0.20 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. C ) Is it possible for the worker at the kiosk to sell more than 14 new handphones? Justify your
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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QUESTION 3
TABLE 2 shows the probability distribution of X number of new handphone sold per day at a cellular phone company kiosk.
TABLE 2
|
X |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
|
0.03 |
0.08 |
0.15 |
0.20 |
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.
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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