Mathematics, 24.06.2020 20:01 advancedgamin8458
Silicon wafers are scored and then broken into the many small microchips that will he mounted into circuits. Two breaking methods are being compared. Out of 400 microchips broken by method A, 32 are unusable because of faulty breaks. Out of 400 microchips broken by method B, only 28 are unusable. Estimate the difference between proportions of improperly broken microchips for the two breaking methods. Use a confidence coefficient of 0.95. Which method of breaking would you recommend?
Answers: 2
Mathematics, 21.06.2019 20:00
Which expression is rational? 6. , square root two, square root 14, square root 49
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Mathematics, 21.06.2019 21:50
Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?
Answers: 1
Mathematics, 21.06.2019 23:00
In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
Answers: 3
Silicon wafers are scored and then broken into the many small microchips that will he mounted into c...
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