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Mathematics 16 Online
OpenStudy (anonymous):

A construction company orders 2900 new light bulbs for a new office building. If the probability of a new light bulb being defective is 1.9 percent, predict how many of the light bulbs are likely to be defective. Round your answer to the nearest whole number.

hartnn (hartnn):

use the defination of probability

OpenStudy (anonymous):

and what is that

hartnn (hartnn):

probability = light bulbs are likely to be defective / total number of light bukbs

OpenStudy (anonymous):

ok ty

OpenStudy (anonymous):

so do i multiply it

hartnn (hartnn):

first convert 1.9 percent into fraction

OpenStudy (anonymous):

is it 551

hartnn (hartnn):

its 55.1 , rounded to 55

OpenStudy (anonymous):

ok thank you

hartnn (hartnn):

2900 * (1.9)/100

hartnn (hartnn):

welcome ^_^

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