The cost of one pencil is $10:8=$1.25
The cost of 20 pencils: 1.25 x 20 = $25
Answer:
5(8m+3)
40m+15=55m
Step-by-step explanation:
The answer is D because the median is 4, the mean is 4, and the range is 4
Answer:
0.018 is the probability that a randomly selected college student has an IQ greater than 131.5
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 100
Standard Deviation, σ = 15
We are given that the distribution of IQ score is a bell shaped distribution that is a normal distribution.
Formula:
a) P(IQ greater than 131.5)
P(x > 131.5)
Calculation the value from standard normal z table, we have,
0.018 is the probability that a randomly selected adult has an IQ greater than 131.5
Answer:
5 11/36
Step-by-step explanation:
