# ACET (Actuarial Common Entrance Test) Statistics: Questions 176 - 181 of 201

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

View Sample Explanation or View Features.

Rs. 200.00 or

How to register?

## Question number: 176

Edit
MCQ▾

### Question

If probability density function (pdf) of a random variable X is given by 0 2. Find mean.

### Choices

Choice (4)Response

a.

1

b.

c.

d.

## Question number: 177

Edit
MCQ▾

### Question

The number of claims X on a health insurance policy is a random variable with and Calculate the standard deviation of the number of claims.

### Choices

Choice (4)Response

a.

7.50

b.

2.18

c.

2.40

d.

7.31

## Question number: 178

Edit
MCQ▾

### Question

Satyam will miss an important TV program while taking his statistics exam so he sets both his VCRs to record it. The first one records 70 % of the time and the second one records 60 % of the time. What is the probability that he gets home after the exam and finds one copy of his program?

### Choices

Choice (4)Response

a.

0.88

b.

0.12

c.

0.42

d.

0.46

## Question number: 179

Edit
MCQ▾

### Question

Find the variance of the series- 1,5, 6

### Choices

Choice (4)Response

a.

2.33

b.

4

c.

3

d.

4.67

## Question number: 180

Edit
MCQ▾

### Question

Find the value of k for which the function

Is continuous at x = 2

### Choices

Choice (4)Response

a.

2

b.

1

c.

d.

## Question number: 181

Edit
MCQ▾

### Question

In a partially destroyed record, the following data are available-

Variance of X = 25

Regression Equation of X on Y:

Regression Equation of Y on X:

Find the correlation coefficient between X and Y

### Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: