Andhra Pradesh Board Solutions for Chapter: Probability, Exercise 7: EXERCISE - 14.1

Author:Andhra Pradesh Board

Andhra Pradesh Board Mathematics Solutions for Exercise - Andhra Pradesh Board Solutions for Chapter: Probability, Exercise 7: EXERCISE - 14.1

Attempt the practice questions on Chapter 14: Probability, Exercise 7: EXERCISE - 14.1 with hints and solutions to strengthen your understanding. Mathematics Class 9 solutions are prepared by Experienced Embibe Experts.

Questions from Andhra Pradesh Board Solutions for Chapter: Probability, Exercise 7: EXERCISE - 14.1 with Hints & Solutions

EASY
9th Andhra Pradesh Board
IMPORTANT

A letter is chosen from English alphabet. Find the probability of a letter comes after p.

EASY
9th Andhra Pradesh Board
IMPORTANT

A letter is chosen from English alphabet. Find the probability of the letters being a vowel or a consonant.

EASY
9th Andhra Pradesh Board
IMPORTANT

A letter is chosen from English alphabet. Find the probability of the letters being not a vowel.

MEDIUM
9th Andhra Pradesh Board
IMPORTANT

Eleven bags of wheat flour, each marked 5 kg, actually contained the following weights of flour (in kg).

     4.97, 5.05, 5.08, 5.03, 5.00, 5.06, 5.08, 4.98, 5.04, 5.07, 5.00

Find the probability that any of these bags chosen at random contains more than 5 kg of flour.

EASY
9th Andhra Pradesh Board
IMPORTANT

An insurance company selected 2000 drivers at random (i.e. without any preference of one driver over another) in a particular city to find the relationship between the age and accidents. The data obtained is given in the following table.

Age of Drivers

(in years)

Accidents in one year

More than 3

accidents

0 1 2 3
18-29 440 160 110 61 35
30-50 505 125 60 22 18
Over 50 360 45 35 15 9

Find the probabilities for a driver chosen at random from the city:

The driver being in the age group 18-29 years and having exactly 3 accidents in one year.

MEDIUM
9th Andhra Pradesh Board
IMPORTANT

An insurance company selected 2000 drivers at random (i.e. without any preference of one driver over another) in a particular city to find the relationship between the age and accidents. The data obtained is given in the following table.

Age of Drivers

(in years)

Accidents in one year

More than 3

accidents

0 1 2 3
18-29 440 160 110 61 35
30-50 505 125 60 22 18
Over 50 360 45 35 15 9

Find the probabilities for a driver chosen at random from the city:

The driver being in the age group 30-50 years and having one or more accidents in one year.

EASY
9th Andhra Pradesh Board
IMPORTANT

An insurance company selected 2000 drivers at random (i.e. without any preference of one driver over another) in a particular city to find the relationship between the age and accidents. The data obtained is given in the following table.

Age of Drivers

(in years)

Accidents in one year

More than 3

accidents

0 1 2 3
18-29 440 160 110 61 35
30-50 505 125 60 22 18
Over 50 360 45 35 15 9

Find the probabilities for a driver chosen at random from the city, having no accident in the year.

HARD
9th Andhra Pradesh Board
IMPORTANT

What is the probability that the randomly thrown dart that hits the square board in the shaded region.(Take π=227 and express in percentage)

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