Which expression shows 2 more than 1/5 times the sum of 7/12 and 3?
1 answer:
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The average number of skateboards produced per day last year is 310.
<h3>What is a normal distribution?</h3>It's the probability curve of a continuous distribution that's most likely symmetric around the mean. On the Z curve, at Z=0, the chance is 50-50. A bell-shaped curve is another name for it.
We have:
The standard deviation of skateboards produced was 20 skateboards. They found they produced up to 280 skateboards on 93.32% of the days last year.
Z- score at 93.32% is -1.5
We know:
μ = 280 + 30
μ = 310
Thus, the average number of skateboards produced per day last year is 310.
Learn more about the normal distribution here:
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