Item 7 Yasmine estimated the difference of 87.71 and 5.8 by rounding each number to the nearest whole.

What was Yasmine's estimate, and what is the actual difference of the numbers?

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Yasmine estimated the difference to be
. The actual difference is

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

(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.)