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xxTIMURxx [149]
2 years ago
8

You randomly choose one of the tiles. Without replacing the first tile, you choose a second tile. Find the probability of the co

mpound event. Write your answer as a fraction or percent rounded to the nearest tenth.
Mathematics
1 answer:
Norma-Jean [14]2 years ago
7 0

Choosing the first tile:


At first, there are 7 tiles.

You are interested in choosing a 5. There is only one tile with a 5.

p(5) = 1/7



Choosing the second tile:

After the 5 has been taken, now there are 6 tiles left.

Only one tile has the number 6.

p(6) = 1/6


The overall probability of choosing a 6 after a 5 is the product of the individual probabilities:


p( 5 then 6) = 1/7 * 1/6 = 1/42


Answer: The probability of choosing a 5 and then a 6 is 1/42

:)

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Answer:

7y8.9 ft²

Step-by-step explanation:

Easy way:

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2 years ago
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Answer:

Step-by-step explanation:

a) H0: \bar x = 24.57

Ha: \bar x \neq 24.57

(Two tailed test at 5% significance level)

b) n=30

Mean difference = 23.89-24.57 = - 0.68

Std error of mean = \frac{s}{\sqrt{n} } \\=\frac{2.40}{\sqrt{30} } \\=0.4382

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So accept H0

8 0
3 years ago
B²+4 when b =-4..........
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Answer:

20

Step-by-step explanation:

-4 x -4 = 16

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Read 2 more answers
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