Mathematics, 27.07.2019 14:00 sophie5064
Alocal weather enthusiast wants to see if the last five summers have been warmer than normal for eloy, arizona. from the national oceanic and atmospheric administration (noaa), he knows the 30-year average for july was 90° with a standard deviation of 2.1°. the last five summers recorded have an average of 92°. if he uses a = 2.5%, which of the following would be valid based on the data he has gathered? a) he can conclude that the summers have been warmer than the 30-year average. b) he can conclude that the summers will continue to be warmer for the next 10 years. c) he does not have enough information to make a decision. d) the average for the last five years fits with the 30-year average.
Answers: 1
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The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?
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Mathematics, 22.06.2019 01:30
The unpaid balance on a mastercard charge was $1,056.23. during the month, payments of $300 and $250 were made and charges of $425 and $274.16 were added. if the finance charge is 1.2% per month on the unpaid balance, find the new balance at the end of the month. $1,205.39 $1,218.06 $918.06 $1,768.06
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Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
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Mathematics, 22.06.2019 05:00
A5 foot long board is propped against the wall of a house. the board forms a 60° angle with the ground. how far is the base of the board from the wall?
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Alocal weather enthusiast wants to see if the last five summers have been warmer than normal for elo...
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