Automobile repair costs continue to rise with the average cost now at $367 per repair. Assume that the cost for an automobile repair has a standard deviation of $88. Answer the following questions about the cost of automobile repairs. What is the probability that the cost will be more than $450

17.36% probability that the cost will be more than $450

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean and standard deviation , the zscore of a measure X is given by:

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

What is the probability that the cost will be more than $450

This is 1 subtracted by the pvalue of Z when X =  450. So

has a pvalue of 0.8264

1 - 0.8264 = 0.1736

17.36% probability that the cost will be more than $450

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length

step-by-step explanation:

i'm pretty sure it would take 20 hours because it's half the men so you multiply the number of hours it takes by 2