Like i said, I am not good at math what so ever. I hate to waste your time but...
1 answer:
Answer:
1727 inches or approximately 143.91667 feet
Step-by-step explanation:
circumfrence is the so its
. this gives you a circumfrence of 69.08 inches which is eaual to one revolution. you simply have to do
inches. I didnt know if you also needed the answer in feet, so i divided that by 12 to get an approxamation of 143.91667 feet (it comes out with a repeating 6, so i rounded it to 7 on the third to six be accurate).
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Answer:
a) 68.2%
b) 31.8%
c) 2.3%
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 530
Standard Deviation, σ = 119
We are given that the distribution of math scores is a bell shaped distribution that is a normal distribution.
Formula:
a) P(test scores is between 411 and 649)
b) P(scores is less than 411 or greater than 649)
c) P(score greater than 768)
P(x > 768)
Calculation the value from standard normal z table, we have,