A box contains 50 coloured marbles. What is the total number of white balls in the box if the probability of selecting a white ball is 0.4? (a) 20 (b) 15 (c) 10 (d) 40
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Answered by
4
Answer:
a)20
Step-by-step explanation:
total no. of marble = 50
probability of white marble= 0.4=4/10
No. of white marble= 50*4/10= 20
Answered by
0
Answer:
Your answer is 20 white balls
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