Mathematics, 26.08.2019 20:20 Amandarobersonn
Areporter bought hamburgers at randomly selected stores of two different restaurant chains, and had the number of calories in each hamburger measured. can the reporter conclude, at alpha = 0.05, that the hamburgers from the two chains have different number of calories? assume that the population standard deviations are unequal. chain a chain bsample size 7 10sample mean 255 cal 310 calsample standard deviation 23 cal 25 calwhat is the critical value of the test? round your answer to two significant places after the decimal, and if there are two critical values, only enter the larger one.
Answers: 3
Mathematics, 21.06.2019 17:30
How many kilometers are equal to 5 miles? use 1 mile โ 1.61 kilometers. !
Answers: 2
Mathematics, 21.06.2019 18:30
The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truckโโ$80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?
Answers: 1
Mathematics, 21.06.2019 19:10
With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.
Answers: 3
Mathematics, 22.06.2019 00:00
Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?
Answers: 1
Areporter bought hamburgers at randomly selected stores of two different restaurant chains, and had...
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