# A distribution of values is normal with a mean of 79.5 and a standard deviation of 7.4.Find the probability that a randomly selected value is between 71.4 and 78.P(71.4 < x < 78) = P( < z < ) =?

A distribution of values is normal with a mean of 79.5 and a standard deviation of 7.4.
Find the probability that a randomly selected value is between 71.4 and 78.
$P\left(71.4?

You can still ask an expert for help

• Questions are typically answered in as fast as 30 minutes

Solve your problem for the price of one coffee

• Math expert for every subject
• Pay only if we can solve it

bahaistag

Step 1:
A distribution of values is normal
Mean = 79.5
Standard deviation = 7.4
Step 2: Probability is given by,
The probability that a randomly selected value is between 71.4 and 78 is given by,
$P\left(71.4
$P\left(71.4
$P\left(71.4
By using Standard normal table.

Jeffrey Jordon