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Chapter 4: Q.6 (page 282)

Define the random variable X.

Short Answer

Expert verified

The Xnumber of batches of muffins to create to sell in his bakery should be sufficient to sell each and every one.

Step by step solution

01

Given Information

With the following probability distribution, a baker decides how many batches of muffins to create to sell in his bakery and make enough to sell every one and no fewer.

02

Concept Used

The nature of the challenge is defined by a random variable, which satisfies the bakery's expectation of the amount he should create.

According to discrete distribution features P(X), is said to be the probability mass function of a discrete variable X. Only when,

I. P(X)鈮�0for all X

ii.鈭�P(X)=1

03

Conclusion:

As a result, the Xnumber of batches of muffins to create to sell in his bakery should be sufficient to sell each and every one.

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Most popular questions from this chapter

It has been estimated that only about 30% of California residents have adequate earthquake supplies. Suppose you randomly survey 11 California residents. We are interested in the number who have adequate earthquake supplies.

a. In words, define the random variable X.

b. List the values that X may take on.

c. Give the distribution of X. X ~ _____(_____,_____)

d. What is the probability that at least eight have adequate earthquake supplies?

e. Is it more likely that none or that all of the residents surveyed will have adequate earthquake supplies? Why?

f. How many residents do you expect will have adequate earthquake supplies?

Find the probability that Javier volunteers for at least one event each month.

P(x>0)=_______

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Use the following information to answer the next five exercises: Suppose that a group of statistics students is divided into two groups: business majors and non-business majors. There are 16business majors in the group and seven non-business majors in the group. A random sample of nine students is taken. We are interested in the number of business majors in the sample.

X~_____(_____,_____)

Find the expected value from the expected value table.
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