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Mathematics Clinic => Statistics => Topic started by: savannahhooper on Apr 7, 2020

Title: A batch of 100 calculators contains 5 defective calculators. If 6 calculators are selected at random ...
Post by: savannahhooper on Apr 7, 2020

Question 1

A student takes a true-false test consisting of 10 questions. Assuming that the student guesses at each question, find the probability that the student answers exactly 8 questions correctly.
◦ 0.0439
◦ 0.0264
◦ 0.0176
◦ 0.0352

Question 2

A batch of 100 calculators contains 5 defective calculators. If 6 calculators are selected at random from this batch, determine the probability that exactly two of those selected are defective.
◦ 0.0217
◦ 0.0347
◦ 0.0174
◦ 0.0267

Title: A batch of 100 calculators contains 5 defective calculators. If 6 calculators are selected at random ...
Post by: Jody Vaughn on Apr 7, 2020

Answer 1

0.0439

Answer 2

0.0267

Title: Re: A batch of 100 calculators contains 5 defective calculators. If 6 calculators are selected at ra
Post by: Gladys Valenzuela on Nov 23, 2021

Ty