Mathematics, 23.07.2019 01:20 becca3539
Suppose we want a 90% confidence interval for the average amount spent on entertainment (movies, concerts, dates, etc.) by freshman in their first semester at a large university. the interval is to have a maximum bound on the error (or simply margin of error) of $2, and the amount spent has a normal distribution with a known standard deviation $30. the number of observations required is at least
Answers: 2
Mathematics, 21.06.2019 15:00
Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11
Answers: 2
Mathematics, 21.06.2019 17:00
Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?
Answers: 1
Mathematics, 21.06.2019 21:30
Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
Answers: 3
Suppose we want a 90% confidence interval for the average amount spent on entertainment (movies, con...
Physics, 29.03.2021 22:30
Mathematics, 29.03.2021 22:30
History, 29.03.2021 22:30
Mathematics, 29.03.2021 22:30
Mathematics, 29.03.2021 22:30
Mathematics, 29.03.2021 22:30
Mathematics, 29.03.2021 22:30
Biology, 29.03.2021 22:30
Mathematics, 29.03.2021 22:30
Mathematics, 29.03.2021 22:30
Mathematics, 29.03.2021 22:30