Mathematics, 14.07.2020 01:01 hfleysher
In a large city, the city supervisor wants to find the average number of aluminum cans that each family recycles per month. So, she surveys 18 families and finds that these 18 families recycle an average of 140 cans per month with a standard deviation of 26 cans per month. Find the 90 % confidence interval for the mean number of cans that all of the families in the city recycle per month.
Answers: 1
Mathematics, 21.06.2019 14:30
Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?
Answers: 1
Mathematics, 21.06.2019 16:30
Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?
Answers: 1
Mathematics, 21.06.2019 20:00
Find the value of x. give reasons to justify your solutions! l, m ∈ kn
Answers: 3
In a large city, the city supervisor wants to find the average number of aluminum cans that each fam...
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