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23-01-2022
Mathematics

contestada

The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of:
μ
= 377 and a standard deviation of:
σ
= 33.
According to the standard deviation rule, almost 16% of the students spent more than what amount of money on textbooks in a semester?

Respuesta :

jen4755 jen4755

23-01-2022

Answer:

$344.33

Step-by-step explanation:

16% = z score of -0.99

(x - 377) / 33 = -0.99

x-377 = -32.67

x = 344.33

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