12.4 Quiz Review

 

Two players, Blake and Camden, are playing tennis.  The probability that Blake wins a point is P( Blake wins a point ) = 0.8 and the probability that Camden wins a point is P( Camden wins a point ) = 0.2.  What is the probability that after four points, Blake will have won the game?  Round your answer to the nearest thousandth, if necessary.      

• 0.002

• 0.410

• 0.8

• 0.2

Two players, Blake and Camden, are playing tennis.  The probability that Blake wins a point is P( Blake wins a point ) = 0.7 and the probability that Camden wins a point is P( Camden wins a point ) = 0.3.  What is the probability that after four points, Camden will have won the game?  Round your answer to the nearest thousandth, if necessary.

• 0.7

• 0.3

• 0.008

• 0.240

If Emma is playing in a tennis match and the probability that she wins a given point is P(Emma wins a point)  = f, what is the probability that Emma wins seven points in a row?        

If Cydney is playing in a tennis match and the probability that she loses a given point is P(Cydney loses a point)  = f, what is the probability that Cydney loses two points in a row?

• 0.815 sec

• 0.834 sec

• 0.897 sec

• 95.7 sec

• 0.578 sec

• 0.770 sec

• 0.527 sec

• 0.525 sec

How fast must an ultra-marathoner run to complete a 62.1 mi run in 12 hr or less?  Round your answer to the nearest thousandth, if necessary.

• 5.175 mi/hr

• 0.193 mi/hr

• 5.167 mi/hr

How fast must a marathoner run to complete a 13.1mi run in 3hr or less?  Round your answer to the nearest thousandth, if necessary.

• 4.333 mi/hr

• 0.229 mi/hr

• 4.367 mi/hr

• 2.863 hr

• 3.493 hr

• 0.286 hr

• 196.5 hr

• 4.764 hr

• 5.2 hr

• 0.210 hr

• 2.115 hr