Nathan's boy scout troop is making M&M and peanut trail mix for a future hike. The M&M's cost $3 per pound and the peanu
1 answer:
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Answer:
And using the z score given by:
Where:
If we find the z score for we got:
So we want to find this probability:
And using the complement rule and the normal standard distribution and excel we got:
Step-by-step explanation:
For this case we have the proportion of interest given . And we have a sample size selected n = 474
The distribution of is given by:
We want to find this probability:
And using the z score given by:
Where:
If we find the z score for we got:
So we want to find this probability:
And using the complement rule and the normal standard distribution and excel we got:
Answer:
Step-by-step explanation:
In each case, draw the right triangle which produces the inverse trig value. That is, label the two sides as needed, and calculate the third side.
It should be clear that
sin(2α) = 2 sinα cosα
So,
See what you can do with the others.