Mathematics, 21.04.2021 18:10 vrybascos
A junior at a large high school wants to estimate the amount of time it takes to log in to a school computer. He
randomly selects 35 students and records the amount of time it takes to log in. The junior constructs a 95%
confidence interval for the true mean amount of time it takes to log in to a school computer. Which of the following
would decrease the margin of error?
O using a sample of size 20
O using a sample of size 25
O constructing a 90% confidence interval
O constructing a 99% confidence interval
Answers: 2
Mathematics, 22.06.2019 01:00
Given the numbers c = –3 and d = 4, which statement is true? a. |–c| = 3 and |–d| = –4 b. |–c| = 3 and –|d| = –4 c. –|c| = –4 and –|d| = 3 d. |–c| = 3 and –|d| = 4
Answers: 1
Mathematics, 22.06.2019 02:00
(30 points). the population of a city is 45,000 and decreases 2% each year. if the trend continues, what will the population be aer 15 yrs
Answers: 2
A junior at a large high school wants to estimate the amount of time it takes to log in to a school...
Mathematics, 22.02.2021 17:10
Mathematics, 22.02.2021 17:10
Mathematics, 22.02.2021 17:10
Biology, 22.02.2021 17:10
Mathematics, 22.02.2021 17:10
Chemistry, 22.02.2021 17:10
Mathematics, 22.02.2021 17:10
Mathematics, 22.02.2021 17:10
English, 22.02.2021 17:10
Mathematics, 22.02.2021 17:10