Question

Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be substandard. If Smith checks 300 of the 7500 welds completed that shift, what is the probability that he will find more than 25 substandard welds?

Name: smith is a weld inspector at a shipyard he knows from keeping track of good and substandard welds that for the afternoon shift 5 of all welds done will be substandard if smith checks 300 of 75494
Uploaded: 2022-04-17T14:16:43-08:00
Duration: 1 min 48 s
Channel: Narayan Hari
Description: smith is a weld inspector at a shipyard he knows from keeping track of good and substandard welds that for the afternoon shift 5 of all welds done will be substandard if smith checks 300 of 75494

          Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be substandard. If Smith checks 300 of the 7500 welds completed that shift, what is the probability that he will find more than 25 substandard welds?

Added by Ryan G.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Narayan Hari

04/17/2022

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Step 1: Calculate the probability of finding more than 25 substandard welds out of 300 welds checked. Show more…

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Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be substandard. If Smith checks 300 of the 7500 welds completed that shift, what is the probability that he will find more than 25 substandard welds?