A box contains red balls

MATHEMATICS · Single correct · AP · AP Statistics · Probability Random Variables Distributions · Probability Random Variables Distributions

Problem

A box contains

x

red balls,

(x+3)

blue balls and 5 yellow balls. One ball is drawn at random. If the probability of drawing a red ball is

\dfrac{3}{8}

, find the value of

x

. (a)

16

(b)

12

(c)

8

(d)

24