Mathematics, 24.04.2020 22:13 khenalilovespandas
A research firm conducted a survey to determine the mean amount Americans spend on coffee during a week. They found the distribution of weekly spending followed the normal distribution with a population standard deviation of $5. A sample of 64 Americans revealed that X¯¯¯=$20 .
What is the 95% confidence interval estimate of ?? (Round your answers to 3 decimal places.)
Answers: 1
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Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much
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Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers
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A research firm conducted a survey to determine the mean amount Americans spend on coffee during a w...
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