Mathematics, 10.12.2020 17:00 anniejordan0412
A student polls his school to see if students in the school district are for or against the new legislation regarding school uniforms. She surveys 600 students and finds that 480 are against the new legislation.
Required:
a. Compute a 90% confidence interval for the true percent of students who are against the new legislation and interpret the confidence interval.
b. In a sample of 300 students, 68% said they own an iPod and a smart phone. Compute a 97% confidence interval for the true percent of students who own an iPod and a smartphone.
Answers: 3
Mathematics, 21.06.2019 18:00, dlaskey646
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 1
Mathematics, 21.06.2019 20:30, dominaricann2451
When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.
Answers: 1
Mathematics, 22.06.2019 01:20, masseyboy428
Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)
Answers: 2
A student polls his school to see if students in the school district are for or against the new legi...
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