Mathematics, 29.04.2021 18:20 milkshakegrande101
Johnson Electronics makes calculators. Consumer satisfaction is one of the top priorities of the company’s management. The company guarantees the refund of money or a replacement for any calculator that malfunctions within two years from the date of purchase. It is known from past data that despite all efforts, 12% of the calculators manufactured by this company malfunction within a 2-year period. The company recently mailed 550 such calculators to its customers.
a. Find the probability that exactly 32 of the 550 calculators will be returned for refund or replacement within a 2-year period.
b. What is the probability that 30 or more of the 550 calculators will be returned for refund or replacement within a 2-year period?
a. What is the probability that 15 to 35 of the 550 calculators will be returned for refund or replacement within a 2-year period?
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 14:00
Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).
Answers: 1
Mathematics, 21.06.2019 23:40
For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?
Answers: 1
Mathematics, 22.06.2019 00:30
Will mark ! (10 points also! ) if x varies inversely with y and x =6 when y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15
Answers: 1
Mathematics, 22.06.2019 00:30
Tim tradesman pays $2,000 annually for $125,000 worth of life insurance. what is the cash value of the policy after 10 years? 11,125 13,125 17,800 111,250
Answers: 2
You know the right answer?
Johnson Electronics makes calculators. Consumer satisfaction is one of the top priorities of the com...
Questions
Biology, 27.11.2019 00:31
Mathematics, 27.11.2019 00:31
History, 27.11.2019 00:31
Social Studies, 27.11.2019 00:31
Mathematics, 27.11.2019 00:31
Social Studies, 27.11.2019 00:31
History, 27.11.2019 00:31
Mathematics, 27.11.2019 00:31
