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Question Completion Status: QUESTION 10 A multiple choke test has 20 questions each question has 5 choices. What is the distr
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Answer #1

Question 10

Number of questions are 20 and number of choices are 5

n =20 , probability of correct answer is =1/5

Distribution for number of correct answers is binomial distribution

answer is Binomial

Question 11

p=0.05

N=10

P(X 1) 1 P(X< 1) 1- P(X 0) 1- 0.95 0 1 0.5987 0.4013

Answer is 0.4013

Question 12

f(x)=0.5 X. 0<X<2

P(1<X<1.5)=

1.5 1.52 2.25 1 1 1.25 (1/2)xrdr = 1.5 1 0.3125 4 4

Answer is 0.3125

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