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In a factory that makes bolts, 20% of the bolts being made by a certain machine are defective. The factory owner wants to determine the probability that two bolts in a row will be defective. He decides to use random numbers as a simulation tool. The following list shows 100 two-digit numbers that were randomly generated to represent two bolts in a row. If he uses the digits 0 and 1 to represent defective bolts, how many times were two bolts in a row defective?

In A Factory That Makes Bolts 20 Of The Bolts Being Made By A Certain Machine Are Defective The Factory Owner Wants To Determine The Probability That Two Bolts class=

Sagot :

Given : In a factory that makes bolts, 20% of the bolts being made by a certain machine are defective. The factory owner wants to determine the probability that two bolts in a row will be defective.

He decides to use random numbers as a simulation tool. The following list shows 100 two-digit numbers that were randomly generated to represent two bolts in a row

he uses the digits 0 and 1 to represent defective bolts,

To Find  :  how many times were two bolts in a row defective?

Step-by-step explanation:

he uses the digits 0 and 1 to represent defective bolts,

Hence 10 or 01  represent  two defectives  bolts in a row.

There are two times 10

and one time 01

Hence 3  times   two defectives  bolts in a row.

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