Question

A number picked at random from the numbers 1 through 15 is prime. This "question" is on my study guide for Unit 6 Probability and Statistics. Can anyone help? Thanks Brainly users! =D

Answer 1

I assume you mean which numbers are prime and that is 1 2 3 5 7 11 13 15

Answer 2

Solution:

we are given that

A number picked at random from the numbers 1 through 15 is prime.

As we know the number between 1 and 15 which are primes are listed below

2,3,5,7,11,13.

Here total number of favourable outcomes are 6.

The numbers 1 through 15 are as below:

1,2,3,4,5,6,7,8,9,10,11,12,13,14,15.

Here total number of possible outcoes are 15.

Hence the probability that if a number picked at random from the numbers 1 through 15 is prime$=\frac{6}{15}=\frac{2}{5}=0.40$

Hence the probability that if a number picked at random from the numbers 1 through 15 is prime is 0.4