Mathematics, 03.12.2020 19:00 kvivas54
A machine produces electrical components. 99.7% of the components have
lengths between 1.176 cm and 1.224 cm. Assuming this data is normally
distributed, what are the mean and standard deviation?
Answers: 2
Mathematics, 21.06.2019 17:30
During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer
Answers: 3
Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Mathematics, 22.06.2019 00:30
Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _
Answers: 3
A machine produces electrical components. 99.7% of the components have
lengths between 1.176 cm a...
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