At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 38 minutes and a standard deviation of 4 minutes. If you visit that restaurant 43 times this year, what is the expected number of times that you would expect to wait longer than 44 minutes, to the nearest whole number?

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Step-by-step explanation:

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b

step-by-step explanation:

the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is