ACET (Actuarial Common Entrance Test) Statistics: Questions 25 - 32 of 201

Access detailed explanations (illustrated with images and videos) to 201 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 200.00 or

How to register?

Question number: 25

» Measures of Spread » Range

Edit
MCQ▾

Question

Weakly pocket money of 6 students are noted as:

₹80, ₹70, ₹90, ₹100, ₹500, ₹50. Find out range.

Choices

Choice (4)Response

a.

₹ 30

b.

₹ 450

c.

₹ 100

d.

₹ 400

Question number: 26

» Probabilities » Conditional Probabilities

Edit
MCQ▾

Question

Given , . Find

Choices

Choice (4)Response

a.

0.74

b.

0.90

c.

0.90

d.

0.16

Question number: 27

» Combinatorial Probability

Edit
MCQ▾

Question

If , find .

Choices

Choice (4)Response

a.

17

b.

8

c.

9

d.

1

Question number: 28

» Probabilities » Bayes Theorem

Edit
MCQ▾

Question

Given, = 0.67, Find

Choices

Choice (4)Response

a.

0.60

b.

0.24

c.

0.25

d.

0.67

Question number: 29

» Measures of Location » Mean

Edit
MCQ▾

Question

The arithmetic mean of is 6. The value of X is

Choices

Choice (4)Response

a.

10

b.

11

c.

12

d.

Question does not provide sufficient data or is vague

Question number: 30

» Correlation and Regression » Correlation Coefficient

Edit
MCQ▾

Question

The standard deviation of X and Y are 4 and 5 respectively. The correlation coefficient between them is 0.8. Find the regression coefficient of Y on X.

Choices

Choice (4)Response

a.

b.

c.

d.

1

Question number: 31

» Continuous Random Variables » Standard Deviation

Edit
MCQ▾

Question

Which of the following methods uses covariance in calculating correlation coefficient?

Choices

Choice (4)Response

a.

Spearman’s Rank Correlation

b.

Concurrent Deviation

c.

Karl Pearson’s Coefficient of Correlation

d.

Question does not provide sufficient data or is vague

Question number: 32

» Probabilities » Conditional Probabilities

Edit
MCQ▾

Question

The probability that a student will pass the first examination is 0.8 and the probability of passing the second examination is 0.7. The probability of passing at least one of them is 0.95. What is the probability of his passing both the examinations?

Choices

Choice (4)Response

a.

0.55

b.

0.42

c.

1

d.

0.63

Developed by: