Sam makes $7.50 per hour at work, and he works anywhere from 15 - 40hrs per week. Occasionally the store gets really busy, and Sam's boss allows him to work up to 15hrs of overtime. Sam loves the busy weeks, because he makes "time-and-a-half", or $11.25, for overtime hours.
sketch a graph showing Sam's regular income range. Where are the local extrema?
Vallir

understand that i don't know the answers

will someone answer his question

the answer is. -82562234434584

step-by-step explanation:

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

answer is  

a.

p = 78

step-by-step explanation: