I have 2 questions.

1) Of the 100 students enrolled at the dance studio, 50 take ballet and 24 take

tap dancing. Eight of the students who take ballet also take tap dancing. If

a student at the studio is chosen at random, find the probability that they take ballet, if it is known that they do not take tap dancing.

2) A shape is randomly selected from the following quadrilaterals: parallelogram,

rhombus, rectangle, square, and trapezoid. What is the probability that it has four right angles, given that it has four congruent sides? (Is this dependent?)

Question

26 December, 00:42

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Answers (1)

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Rosa · Answer 1

1. a 50 percent chance 2. i would say about an 80 percent chance and yes it is dependent