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(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.)

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25