
A set of data values is and . Find the probability that a randomly selected value is more than one standard deviation from the mean.


Important Questions on Probability

Find the probability that the number rolled with an ordinary fair die is:
a prime number or a

Find the probability that the number rolled with an ordinary fair die is:
a square number or a multiple of

Find the probability that the number rolled with an ordinary fair die is:
more than or a factor of .

A group of students took a test in Economics. The following Venn diagram shows that boys took the test and that seven students failed the test
Describe the students who are members of the set .

A group of students took a test in Economics. The following Venn diagram shows that boys took the test and that seven students failed the test
Find the probability that a randomly selected student is a boy or someone who failed the test.

The following table gives information about all the animals on a farm.
Male | Female | |
Goats | ||
Sheep |
Find the probability that a randomly selected animal is:
male or a goat

The following table gives information about all the animals on a farm.
Male | Female | |
Goats | ||
Sheep |
Find the probability that a randomly selected animal is:
a female or a sheep.
