Agumball machine contains blue, pink, white and green gumballs. in the machine 50% of the gumballs are blue 10% are pink, 20% are white and 20% are green. if event a is jane turning the knob of the gumball machine and a blue gumball dropping out, then the complement of event a is?

Given gumball machine contains blue, pink, white and green gumballs. in the machine 50% of the gumballs are blue 10% are pink, 20% are white and 20% are green.

Event A is representing Jane turning the knob of the gumball machine and a blue gumball dropping out .We need to find complement of A.The Complement of an event is all outcomes that are NOT the event .Here complement of the event A are dropping of Pink ,white and green gumballs.

answer: the common difference is -0.10

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation: