Thread: Help!!!! Please probability

1.} Mary flicks spinner d wich is 3/4 16 times. Predict the number of times she will land on the shaded part of the spinner.


2.} John flicks a spinner 50 times. He records the result of each spin in the table below. Which spinner did john most likely spin

spinner lands on shaded 12 times spinner lands on white 38 times



Please tell me what you did to find the anwer on both question

Originally Posted by star29867

1.} Mary flicks spinner d wich is 3/4 16 times. Predict the number of times she will land on the shaded part of the spinner.

The expected number of times is (3/4)*16=12 (probability it lands in the
shaded region times the number of spins)

2.} John flicks a spinner 50 times. He records the result of each spin in the table below. Which spinner did john most likely spin

spinner lands on shaded 12 times spinner lands on white 38 times

In the absence of other information the shaded region has a maximum
likelihood fractional area of 12/50=6/25.

RonL