Asked by Penny

During September, the average temperature of Laurel Lake is 64.2º and the standard deviation is 3.2º. Assume the variable is normally distributed. For a randomly selected day, find the probability that the temperature will be

a. Above 62º

b. Below 67º

c. Between 65º and 68º
Answered by PsyDAG
Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities related to the Z scores.
Answered by Penny
a. .2451
b. .8051
c. .3897
There are no AI answers yet. The ability to request AI answers is coming soon!