Mathematics, 14.05.2021 18:50 vorhees2406
The duration of audio content on audio CDs is found to follow a normal distribution, with a mean of 82.1 minutes and a
standard deviation of 6.5 minutes.
If the company distributes 5.5 million CDs in one year, what is the approximate number of CDs that have content lasting less than
70 minutes?
Answers: 3
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Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above
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Mathematics, 21.06.2019 21:00
Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?
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Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x
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9.4.34 question to estimate the height of a stone figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a meter?
Answers: 1
The duration of audio content on audio CDs is found to follow a normal distribution, with a mean of...
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