Probability-Central Limit Theorems for Independent Variables (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 5 - 6 of 6

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Question number: 5

» Probability » Central Limit Theorems for Independent Variables

MCQ▾

Question

Let be a ramdom variable and . A sample of size is taken from this population. What is the probability that the sum of these observations is less than ?

Choices

Choice (4) Response

a.

b.

0.0062

c.

d.

Question number: 6

» Probability » Central Limit Theorems for Independent Variables

MCQ▾

Question

From past experience, it is known that the number of tickets purchased by a student standing in line at the ticket window for the cricket match of India against Srilanka follows a distribution that has mean and standard deviation. Suppose that few hours before the start of one of these matches there are eager students standing in line to purchase tickets. If only tickets remain, what is the probability that all students will be able to purchase the tickets they desire?

Choices

Choice (4) Response

a.

0.9905

b.

0.3085

c.

0.6915

d.

0.0095

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