Mathematics, 30.06.2019 02:50, rscott400
An article in the november 1983 consumer reports compared various types of batteries. the average lifetimes of duracell alkaline aa batteries and eveready energizer alkaline aa batteries were given as 4.1 hours and 4.5 hours, respectively. suppose these are the population average lifetimes. (a) let x be the sample average lifetime of 64 duracell and y be the sample average lifetime of 64 eveready energizer batteries. what is the mean value of x β y (i. e., where is the distribution of x β y centered)?
Answers: 2
Mathematics, 21.06.2019 15:30, sweetgigi5950
Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?
Answers: 3
Mathematics, 21.06.2019 20:30, yeetmaster7688
Find the value of x for which line a is parallel to line b
Answers: 1
Mathematics, 21.06.2019 20:30, shadowselena63
Whatβs 8y+48 and factor each expression completely
Answers: 2
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