Mathematics, 17.12.2020 06:10 jessicamendozacelis2
A field test for a new exam was given to randomly selected seniors. The exams were graded, and the sample mean and sample standard deviation were calculated. Based on the results, the exam creator daims that on the same exam, nine times out of ten, seniors will have an average score within 3% of 81%. Is the confidence interval at 90%, 95%, or 99%? What is the margin of error? Calculate the confidence interval and explain what it means in terms of the situation.
Answers: 3
Mathematics, 21.06.2019 16:00, kathyc53
Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells, n, and the total amount he earns in a year, e. what is the total amount abe would earn from selling 10 apartments in one year
Answers: 3
Mathematics, 21.06.2019 17:00, DivineMemes420
100 points, hi, i’m not sure what to do here, the data doesn’t seem to be quadratic .? can anyone me, in advance
Answers: 2
Mathematics, 21.06.2019 20:00, offensiveneedle
1: 4 if the wew 35 surfboards at the beach how many were short boards?
Answers: 1
A field test for a new exam was given to randomly selected seniors. The exams were graded, and the s...
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