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olga2289 [7]
3 years ago
11

Suppose that two cards are randomly selected from a standard 52-card deck. (a) What is the probability that the first card is a

spadespade and the second card is a spadespade if the sampling is done without replacement? (b) What is the probability that the first card is a spadespade and the second card is a spadespade if the sampling is done with replacement?
Mathematics
1 answer:
Roman55 [17]3 years ago
6 0

Answer:

a.\frac{1}{17}

b.\frac{1}{16}

Step-by-step explanation:

We are given that two cards are drawn are randomly selected from a standard 52- cards deck.

Total cards=52

Total number of spade cards=13

Probability=\frac{number\;of\;favourable\;cases}{total\;number\;of cases}

a.The probability of drawing two cards first card is spade and second card is spade without replacement =\frac{13}{52}\times \frac{12}{51}

The probability of drawing two cards first card is spade and second card is spade=\frac{1}{17}

b. The probability of drawing two cards first is spade and second card is a spade with replacement =\frac{13}{52}\times\frac{13}{52}

The probability of drawing two cards first is spade and second card is a spade with replacement =\frac{1}{16}

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