Answer:
Selling price = $84.80
Step-by-step explanation:
Multiply the cost by 1 + the mark up percentage.
53 x 1.60 = 84.80
Selling price = $84.80
The probability that a normally distributed data with a mean of μ and a standard deviation of σ is less than a value x is given by:

Given that μ = 16.5 and σ = 0.804984 and that the probability that the <span>mean oil-change time being at or below the
sample mean for which there is an area of 0.10 to the left under the
normal curve, then:

</span>
X is 16 so turn everything into a equation
Answer:
c) 25 cm^2
d) 52.5 cm^2
Step-by-step explanation:
5*2 = 1
10/2 = 5
40/2 = 20
20+5 = 25
This is just scratch work^
No, It can't be less than zero because you're looking for Q3 - Q1 not Q1 - Q3.