Free Printable chapter-4

1.

If the probability of having a girl is 0.512.

What is the probability of a boy?

a)

0.488

b)

0.898

c)

0.88

d)

0

2.

1 - 7/4 - 4/7 - 360% - (-0.36) - 0 - 6:5 - 3.164 - 0.461 - 0.08

Which of the following are probabilities?

a)

36 - 3.164 - 1 - 7/4

b)

1 - (-0.36) - 5;6

c)

1 - 4/7 - 0 - 0.461 - 0.08

d)

all probabilities

3.

If you make a random guess for the answer to a true/false question, what is the chance that your guess is correct?

a)

$\frac{12}{2}$

b)

$\frac{4}{3}$

c)

$\frac{1}{2}$

d)

$\frac{3}{4}$

4.

One of the four DNA bases of A, G, C, and T is randomly selected, what is the probability that G is been selected?

a)

0.5

b)

0.25

c)

0.75

d)

0.50

5.

If we have 10 (0-9) numbers, what is the probability that the last digit in a phone number is 0?

a)

$\frac{1}{10}$

b)

0.001

c)

$\frac{9}{10}$

d)

9

6.

( It's impossible to fit a square animal in a round hole )

What is the probability here?

a)

0.25

b)

0.5

c)

0

d)

1

7.

find the probability of selecting someone who got a result that is a false negative?

a)

$\frac{54}{764}$

b)

$\frac{5}{555}$

c)

$\frac{25}{567}$

d)

$\frac{25}{555}$

8.

find the probability of selecting someone who uses drugs

a)

$\frac{54}{345}$

b)

$\frac{34}{555}$

c)

$\frac{56}{555}$

d)

$\frac{50}{555}$

9.

One sample of offspring consists of 428 green peas and 152 yellow peas.

what is the Probability of a new green offspring pea?

a)

$\frac{353}{580}$

b)

$\frac{428}{580}$

c)

$\frac{152}{580}$

d)

unknown

10.

When randomly selecting an adult, A denotes the event of selecting someone with blue eyes. What do P(A) and P( $\overline{A}$ )?

a)

A = adults with blue eyes

b)

$\overline{A}$ = adult with no blue eyes

c)

A= selecting someone

d)

$\overline{A}$ = random adult

11.

A survey showed that 26% of respondents answered (yes).

What is the probability of randomly selecting a response other than (yes)?

a)

0.45

b)

0.74

c)

0.26

d)

0.65

12.

If one person is selected, find the probability of getting someone who is not Group B?

a)

0.901

b)

0.432

c)

0.453

d)

0.432

13.

If one person is selected, find the probability of getting someone who is Group B or type Rh-?

a)

0.932

b)

0.543

c)

0.224

d)

0.543

14.

Are the events of selecting someone who is Group B and the event of selecting someone who is type Rh- disjoint events?

a)

Not disjoint

b)

Disjoint

15.

If one person is selected, find the probability of getting someone who is Group B or Group A or type Rh-?

a)

0.564

b)

0.572

c)

0.986

d)

0.932

16.

If 3 different people are selected, find the probability that they are all Group A?

a)

0.9832

b)

0.876

c)

0.987

d)

0.0627

chapter-4

Total questions: 16

Worksheet time: 48mins

Similar Resources on Wayground