ACET (Actuarial Common Entrance Test) Statistics: Questions 64 - 69 of 201

Access detailed explanations (illustrated with images and videos) to 201 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 200.00 -OR-

How to register? Already Subscribed?

Question 64

Question

MCQ▾

A variable that can assume any value between two given points is called -

Choices

Choice (4)Response

a.

Discrete random variable

b.

Continuous random variable

c.

Irregular random variable

d.

Uncertain random variable

Question 65

Question

MCQ▾

If 10 % of pens manufactured by a company are defective. The probability that a box containing 12 pens contains exactly 2 defective pens is given by

Choices

Choice (4)Response

a.

b.

c.

d.

Question 66

Question

MCQ▾

The arithmetic means of X and Y are 20 and 120 respectively. There standard deviations are 5 and 25 respectively. The correlation coefficient between them is 0.8. Find the regression equation of Y on X.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 67

Question

MCQ▾

Two dice are thrown and the sums of the numbers on the faces up is noted. The probability that this sum being 11 is-

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 68

Question

MCQ▾

In how many different ways can the letters of the word ‘DETAIL’ be arranged such that the vowels must occupy only the odd positions?

Choices

Choice (4)Response

a.

36

b.

100

c.

64

d.

90

Question 69

Question

MCQ▾

The mean of first prime numbers is

Choices

Choice (4)Response

a.

5.6

b.

3

c.

3.6

d.

7

Developed by: