SAT

SAT, 20.02.2021 06:30, blackboy21

Pleas help me I need a tree diagram for these questions but I don’t understand how to do that A national survey found that 48% of all teenagers have an iPhone. You decide to survey 3 teenagers in your
school at random. Draw a tree diagram to illustrate the possible outcomes.
a. P(all 3 own an iPhone) =

b. P(none own an iPhone) =

C. P( aleast one owns an iPhone) =

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