Answer:
D. 100
Step-by-step explanation:
1. Find the z-score: 165-176/11.4 = -1.2
2. Find the percentage of the z-score. Here it's 16.85%
3. Because we are searching for the amount of members that weigh MORE than 165 pounds and not LESS, we need to find the greater percentage by subtracting 16.85% from 100% which is 83.15%. This is the percentage of people that weigh more than 165 pounds.
4. Multiply the percentage by the number of members: 83.15%*120 = 99.78
5. Round it to a whole number because someone can't be 0.78 of a person. You get 100 members.
Also, I took the test :)
4. Maurice and his 3 friends with him.
when x = -9, y = 1
Here, we want to get the value of y when x = -9
To find this, we look at the point x= -9 on the x-axis
After getting this, we trace it to the graph
Looking at the graph, the graph crosses the x-axis at exactly this point
What this mean is that the value of y at that point is 1
Hence, for input -9, output is 1
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