probability and statistics class 10

For the following distribution :

the modal class is

• 10-20

• 20-30

• 30-40

• 50-60

An event is very unlikely to happen. Its probability is closest to

• 0.0001

• 0.001

• 0.01

• 0.1

A card is selected from a deck of 52 cards. The probability of its being a red face card is

• $\frac{3}{26}$

• $\frac{3}{13}$

• $\frac{2}{13}$

• $\frac{1}{2}$

When a die is thrown, the probability of getting an odd number less than 3 is

• $\frac{1}{6}$

• $\frac{1}{3}$

• $\frac{1}{2}$

• $0$

A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought?

• 40

• 240

• 480

• 750

One ticket is drawn at random from a bag containing tickets numbered 1 to 40. The probability that the selected ticket has a number which is a multiple of 5 is

• $\frac{1}{5}$

• $\frac{3}{5}$

• $\frac{4}{5}$

• $\frac{1}{3}$

Which of the the following can be the probability of an event?

• – 0.04

• 1.004

• $\frac{18}{23}$

• $\frac{8}{7}$

A bag contains 9 red marbles, 3 blue marbles, 3 green marbles, and 3 yellow marbles. Which of the following statements is true? Select all that apply.

• The probability that a yellow marble is selected is 0.

• The probability that a red marble is selected is 1.

• The probabilities of selecting a blue marble, a green marble, or a yellow marble are equal.

• The probability that a red marble is selected is 0.5

• The probability of selecting a red marble is greater than the probability of selecting a blue marble.

An event with a probability of one

• experimental probability
• outcome
• certain event
• permutation

Tags

CCSS.7.SP.C.5

What is the probability of rolling a sum of one with a pair of dice?

• impossible

• unlikely

• equally likely

• likely

Tags

CCSS.7.SP.C.5