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MaRussiya [10]
2 years ago
8

430 randomly selected light bulbs were tested in a laboratory, 224 lasted more than 500 hours. Find a point estimate of the prop

ortion of all light bulbs that last more than 500 hours
Mathematics
1 answer:
Ray Of Light [21]2 years ago
6 0
The estimated portion of light bulbs that last more than 500 hours will be
x=∑xn=224/430=0.521=52.1%
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