A random variable follows a uniform distribution between 25 and 45.

1 A random variable follows a uniform distribution between 25 and 45.

What is the mean of this distribution?

2 A random variable follows a uniform distribution between 25 and 45.

What is the standard deviation of this distribution?

3 A random variable follows a uniform distribution between 25 and 45.

What is the probability that a randomly selected value from this population is less than or equal to 35?

4 A random variable follows a uniform distribution between 25 and 45.

What is the possibility that the observed value is exactly equal to 34?

5 A random variable follows a normal distribution with a mean of 126 and a standard deviation of 26.

What is the probability that a randomly selected value from this population is between 105 and 140?

6 A random variable follows a normal distribution with a mean of 126 and a standard deviation of 26.

What is the probability that a randomly selected value from this population is less than or equal to 140?

7 For a standard normal distribution, determine the probability that z is greater than -0.38.

8 For a standard normal distribution, determine the probability that z is less than or equal to 1.56.

9 What is the standard deviation of a standard normal distribution?

10 What is the mean of a standard normal distribution?

11 Which of the following is an example of continuous data?