How many numbers between 1 and 100 are divisible by 3 or 2
1 answer:
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We have been given that at a customer service call center for a large company, the number of calls received per hour is normally distributed with a mean of 150 calls and a standard deviation of 5 calls. We are asked to find the probability that during a given hour of the day there will be between 146 calls and 163 calls.
First of all, we will use z-score formula to find z-score corresponding to 146 and 163.
Our next step is to find percentage of data scores falls between both z-scores.
Using normal distribution table, we will get:
Let us convert our answer into percentage.
Upon rounding our answer to nearest thousandths, we will get:
Therefore, the probability that during a given hour of the day there will be between 146 calls and 163 calls is approximately .
Answer:
C
Step-by-step explanation:
Calculate the slope m using the slope formula
m =
with (x₁, y₁ ) = (3, 2) and (x₂, y₂ ) = (- 3, 4)
m = =
= -
→ C