Answer:
3
Step-by-step explanation:
11:00 pm - 6:00pm = 5 hour span
55-40=15 decreased each hour
5 divided by 15
0.3 = 3
3 x 5 = 15
I believe the answer is A
The answer is the 3rd one
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>
Answer:
Y=32
Step-by-step explanation: