Mathematics-Statistics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 7 - 8 of 8

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Question number: 7

» Mathematics » Statistics

MCQ▾

Question

If the values Equation occurs at frequencies 1, 2, 3, 4, 5, 6…. . n respectively in a frequency distribution, then the mean is

Choices

Choice (4) Response

a.

Equation

b.

1

c.

n

d.

Equation

Question number: 8

» Mathematics » Statistics

MCQ▾

Question

In a bag containing 5 red, 4 black and 6 orange balls and a ball is selected at random, what is the probability of getting a non-red ball?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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