Mathematics, 19.11.2019 06:31 phancharamachasm
Here are the tips of 25 randomly selected patrons, measured in percent of total bill.20.8 18.7 19.9 20.6 21.9 23.4 22.8 24.9 22.2 20.324.9 22.3 27.0 20.4 22.2 24.0 21.1 22.1 22.0 22.719.1 20.6 22.3 22.0 29.4 the standard deviation of tips is known to be 2.5.a) what is the 94% confidence interval for the mean tip of patrons if the distribution of tips is approximately normal? b) what is the 98% confidence interval for the mean tip of patrons if the distribution of tips is unknown?
Answers: 2
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Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.
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The height above the ground (in feet) of a ball dropped from the top of a 30-foot-tall building after t seconds is given by the polynomial: ? 16t^2+30 what is the height of the ball after 1/2 second?
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Here are the tips of 25 randomly selected patrons, measured in percent of total bill.20.8 18.7 19.9...
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