The set of life spans of an appliance is normally distributed with a mean

months. what is the life span of an appliance that has a z-score of -3?

= 48 months and a standard deviation o = 8

3 months

24 months

45 months

72 months

24 months

Step-by-step explanation:

Lifespan with z-score of -3 in the the set of normally distributed life spans of an appliance can be calculated using the equation:

where

We have  that is

-24=X-48 and

X=24 months.

The life span of an appliance that has a z-score of -3 is 24 months.

wth is with the little mtn top and what are you talking about like fix your words and accually make sence with them and i like was in a completly different question like three times like it seems like your ilitteret

2/4 is the answer

step-by-step explanation:

x= total pieces

both ate 9 pieces

mindy ate 3 so troy ate 6

6= (1/4)x

x =24