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A purchaser of electric relays buys from two suppliers, A and B. Supplier A supplies two of every three relays used by the company. If 90 relays are selected at random from those in use by the company, find the probability that at most 58 of these relays come from supplier A. Assume that the company uses a large number of relays. (Use the normal approximation. Round your answer to four decimal places.) USE SALT You may need to use the appropriate appendix table to answer this question. Need Help? Read It

A purchaser of electric relays buys from two suppliers, A and B. Supplier A supplies two of every three relays used by the company. If 90 relays are selected at random from those in use by the company, find the probability that at most 58 of these relays come from supplier A. Assume that the company uses a large number of relays. (Use the normal approximation. Round your answer to four decimal places.) USE SALT You may need to use the appropriate appendix table to answer this question. Need Help? Read It

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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A purchaser of electric relays buys from two suppliers, A and B. Supplier A supplies two of every three relays used by the company. If 90 relays are selected at random from those in use by the company, find the probability that at most 58 of these relays come from supplier A. Assume that the company uses a large number of relays. (Use the normal approximation. Round your answer to four decimal places.) USE SALT You may need to use the appropriate appendix table to answer this question. Need Help? Read It An airline finds that 5% of the persons making reservations on a certain flight will not show up for the flight. If the airline sells 125 tickets for a flight that has only 120 seats, what is the probability that a seat will be available for every person holding a reservation and planning to fly? (Round your answer to four decimal places.) USE SALT You may need to use the appropriate appendix table to answer this question.
Transcribed Image Text:A purchaser of electric relays buys from two suppliers, A and B. Supplier A supplies two of every three relays used by the company. If 90 relays are selected at random from those in use by the company, find the probability that at most 58 of these relays come from supplier A. Assume that the company uses a large number of relays. (Use the normal approximation. Round your answer to four decimal places.) USE SALT You may need to use the appropriate appendix table to answer this question. Need Help? Read It An airline finds that 5% of the persons making reservations on a certain flight will not show up for the flight. If the airline sells 125 tickets for a flight that has only 120 seats, what is the probability that a seat will be available for every person holding a reservation and planning to fly? (Round your answer to four decimal places.) USE SALT You may need to use the appropriate appendix table to answer this question.
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