Question

In: Statistics and Probability

​Multiple-choice questions each have fourfour possible answers left parenthesis a comma b comma c comma d...

​Multiple-choice questions each have

fourfour

possible answers

left parenthesis a comma b comma c comma d right parenthesis(a, b, c, d)​,

one of which is correct. Assume that you guess the answers to three such questions.

a. Use the multiplication rule to find

​P(CWCCWC​),

where C denotes a correct answer and W denotes a wrong answer.

​P(CWCCWC​)equals=nothing

​(Type an exact​ answer.)

Choose the correct answer below.

Solutions

Expert Solution

Answer:

Given Data

a) The objective of the problem is obtained below :

From the information , there are five possible answers for multiple choice questions that is (a,b,c,d,e). C denotes the correct answer and W denotes a wrong answer. There is the probability of correct answer is

and the probability of wrong answer is

are used to estimate the

P ( CCW)

Explanation

The objective of the problem is obtained by when used the probability of correct answer is

and the probability of wrong answer

is

are used to estimate the

P ( CCW)

The value of P(CCW) is obtained below :

The required probability value is ,

= ( 0.2 * 0.2 * 0.8 )

= 0.032

The value of P(CCW) is 0.032

Explanation

The value of P(CCW) is obtained by multiplying the possible ways for each letter in the word . It can be expected about 3.2% of chance that the event (CCW)

The value of P(CCW) is 0.032.

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