Mathematics, 06.01.2020 18:31 kennyg02
Ascientist wants to research the potential spread of germs by contact. she knows that the number of possible handshakes within a group of n people is given by the equation nequalsone half left parenthesis n squared minus n right parenthesis . everyone at a party shook hands. there were 171 handshakes in all. how many people attended the? party?
Answers: 3
Mathematics, 20.06.2019 18:04, sabrinachambers444
2x+3y=12 x-y=6 solve the following system equations
Answers: 1
Mathematics, 21.06.2019 22:20, skyhighozzie
(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)
Answers: 2
Ascientist wants to research the potential spread of germs by contact. she knows that the number of...
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