Mathematics, 12.04.2021 23:10 georgehall3027
Assume that the average life of a color TV is 8.2 years with a standard deviation of 1.3 years before it breaks. Suppose that a company guarantees color TVs and will replace a TV that breaks while under guarantee with a new one. However, the company does not want to replace more than 9% of the TVs under guarantee. For how long should the guarantee be made (rounded to the nearest tenth of a year)
Answers: 1
Mathematics, 21.06.2019 20:00
Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo
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Mathematics, 21.06.2019 21:30
Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.
Answers: 2
Assume that the average life of a color TV is 8.2 years with a standard deviation of 1.3 years befor...
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