Amaintenance firm has gathered the following information regarding the failure mechanism for 100 air conditioning systems: evidence of gas leaks yes no evidence of electrical failure yes 52 6 no 31 11 the units without evidence of gas leaks or electrical failure showed other types of failure. if this is a representative sample of ac failure, find to 3 decimal places the probability.

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)