Chapter 4: Q.129 (page 299)
Find the probability that her cats will wake her up no more than five times next week.
Short Answer
The answer is Option (d) is the correct answer.
Chapter 4: Q.129 (page 299)
Find the probability that her cats will wake her up no more than five times next week.
The answer is Option (d) is the correct answer.
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Get started for freeWe know that for a probability distribution function to be discrete, it must have two characteristics. One is that the sum of the probabilities is one. What is the other characteristic?
Use the following information to answer the next five exercises: Javier volunteers in community events each month. He does not do more than five events in a month. He attends exactly five events of the time, four events of the time, three events of the time, two events of the time, one event of the time, and no events 5% of the time.
In words, the random variable
a. the number of times Mrs. Plum’s cats wake her up each week.
b. the number of times Mrs. Plum’s cats wake her up each hour.
c. the number of times Mrs. Plum’s cats wake her up each night.
d. the number of times Mrs. Plum’s cats wake her up.
Use the following information to answer the next six exercises: On average, a clothing store gets customers per day.
What is the probability that the store will have more than customers in the first hour?
Define the random variable .
Identify the mistake in the probability distribution table.
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