Mathematics, 11.02.2020 22:20 shiannlacy33
A researcher is interested to determine the average age at which people obtain their first credit card. If past information shows a mean of 22 years and a standard deviation of 2 years, what size sample should be taken so that at 95% confidence the margin of error will be 3 months or less?
Answers: 2
Mathematics, 21.06.2019 18:20
The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?
Answers: 2
Mathematics, 21.06.2019 21:50
Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.
Answers: 3
Mathematics, 21.06.2019 23:00
John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?
Answers: 1
A researcher is interested to determine the average age at which people obtain their first credit ca...
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