Mathematics, 21.04.2020 16:13 supermimi8078
A market surveyor wishes to know how many energy drinks teenagers drink each week. They want to construct a 80% confidence interval for the mean and are assuming that the population standard deviation for the number of energy drinks consumed each week is 1. The study found that for a sample of 256 teenagers the mean number of energy drinks consumed per week is 4.7. Construct the desired confidence interval. Round your answers to one decimal place.
Answers: 2
Mathematics, 21.06.2019 15:30
Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?
Answers: 1
Mathematics, 21.06.2019 16:20
Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively
Answers: 3
Mathematics, 21.06.2019 19:30
Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2
Answers: 1
Mathematics, 21.06.2019 21:30
Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.
Answers: 2
A market surveyor wishes to know how many energy drinks teenagers drink each week. They want to cons...
Biology, 20.05.2021 09:40
Physics, 20.05.2021 09:40
Health, 20.05.2021 09:40
Mathematics, 20.05.2021 09:50
Arts, 20.05.2021 09:50
Mathematics, 20.05.2021 09:50
Physics, 20.05.2021 09:50
English, 20.05.2021 09:50
Social Studies, 20.05.2021 09:50
History, 20.05.2021 09:50
French, 20.05.2021 09:50
History, 20.05.2021 09:50
Mathematics, 20.05.2021 09:50
English, 20.05.2021 09:50