Mathematics, 18.07.2019 11:00 AngiT
The mean monthly utility bill for a sample of households in a city is $70, with a standard deviation of $8. between what two values do about 95% of the data lie? (assume the data set has a bell-shaped distribution.)
Answers: 1
Mathematics, 21.06.2019 16:20
Which math sentence can be used to determine if the triangle is a right triangle?
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Mathematics, 21.06.2019 18:20
Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?
Answers: 2
Mathematics, 21.06.2019 20:00
Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?
Answers: 1
Mathematics, 21.06.2019 20:30
Find the value of x. give reasons to justify your solutions! c ∈ ae
Answers: 1
The mean monthly utility bill for a sample of households in a city is $70, with a standard deviation...
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