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Marianna [84]
3 years ago
8

The talk-time battery life of a group of cell phone is normally distributed with a mean of 5 hours and a standard deviation of 1

5 minutes. A) What percent of the phones have a battery life of at least 4 hours and 45 minutes?
Mathematics
1 answer:
kiruha [24]3 years ago
6 0

The correct answer is 84%

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B. entire singers

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Distance= 2797.2 time= 0.15 speed
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A 0.02 N push accelerates a table-tennis ball along a table at 8 m/s2 north. What is the mass of the ball?
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  • Force=0.02N=F
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According to Newton's second law

\\ \sf\longmapsto F=ma

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2 years ago
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Answer: y= 4x + 4

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