Answer:
5
Step-by-step explanation:
I’m not sure about the answer, but my name is Jessica ✌
Answer:
A. a rectangle and a triangle
The correct answer is P = 0.1357.
In solving for the probability (P) that the 34-year olds
will spend more than $60 on fastfood, the mean and the standard deviation is to
be taken into account. The mean (μ) being the $44 average weekly expenditure; while
the standard deviation (σ) is $14.50. The formula goes this way P(X > 60) =
P( X−μ > 60−44 ) = P ( X−μ/σ > 60−44/14.50).
Answer:
Z = 20
Step-by-step explanation:
3 x 20 = 60
60 - 12 = 48