A bag contains $x$ red counters, $6$ blue counters and $4$ green counters. The probability of

Question

A bag contains $x$ red counters, $6$ blue counters and $4$ green counters. The probability of selecting a red counter is $\frac38$. Form an equation in $x$. Find $x$. Find the probability of selecting a counter that is not blue.

Accepted Answer

(a) $\frac{x}{x+10}=\frac38$; (b) $x=6$; (c) $\frac58$

Probability

Probability

Solution:

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