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pochemuha
3 years ago
6

Ten slips of paper labeled from 1 to 5 are placed in a hat. The first slip of paper is not replaced before selecting the second

slip of paper.
What is the probability of selecting a number less than 3 then a number greater than 4?




3/50

1/15

3/100

1/10
Mathematics
1 answer:
vagabundo [1.1K]3 years ago
6 0

Answer:

1/10

Step-by-step explanation:

There are two numbers less than 3 (1 and 2), and one number greater than 4 (5).

When the first slip is drawn, there are five slips in the hat, so the probability of a number less than 3 is 2/5.

When the second slip is drawn, there are four slips in the hat, so the probability of a number greater than 4 is 1/4.

Therefore, the total probability is (2/5) (1/4) = 1/10

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On a 10-item test, three students in Professor Hsin's advanced chemistry seminar received scores of 2, 5, and 8, respectively. F
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Now, we need to know the arithmetic mean of the sample values: 2, 5 and 8

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To know the standard deviation we need to have the summation of each term minus the arithmetic mean squared.

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Steps to solve for the zero:

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~Solve for x in [ x + 7 = 0 ]

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Therefore, the solutions are x = -7 and x = -5

Best of Luck!

3 0
3 years ago
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