Question

In a stack of red and blue T-shirts, blue T-shirts and red T-shirts are in the ratio 4:3.if there
are 49 T-shirts, find the ratio of blue T-shirts to the total number of T-shirts.​

Answer 1

Answer:

Assume no replacement:

P(1 blue and 1 other colour) = 8/18 * 10/17 = 40/153

P(1 blue and 1 blue) = 8/18 * 7/17 = 28/153

40/153 + 28/153 = 4/9 is the probability at least one is blue

Step-by-step explanation:

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