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KatRina [158]
3 years ago
14

10 cards are numbered from 1 to 10 and placed in a box. One card is selected at random and is not replaced. Another card is then

randomly selected. What is the probability of selecting two prime numbers?
Mathematics
1 answer:
AlladinOne [14]3 years ago
8 0

Answer:

\frac{2}{9}

Step-by-step explanation:

The prime numbers between 1 and 10 are;

1, 2, 3, 5, 7

The probability of drawing the first card = \frac{5}{10}

Since there is no replacement, the probability of drawing the second card = \frac{4}{9}

The probability of selecting two prime numbers between 1 and 10 without replacement = \frac{5}{10} × \frac{4}{9} = \frac{2}{9}

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The _____is the set of dependent or<br> y-values of a function.<br> A. domain<br> B. range
irinina [24]

Answer: OPTION B

Step-by-step explanation:

First it is importanty definition, a relation is a function if and only if each input value has one and only one output value.

The input values are the x-values and the output values are the y-values.

Therefore, "y" is the Dependend variable and "x" is the Independent variable.

Knowing the above, you can understand the definition of "Domain" and "Range".

The Domain is defined as the set of all the possible values  of "x" or the Independent variable

The Range is defined as the set of all the possible values  of "y" or the Dependent variable.

Therefore, you can conclude that the correct answer is the given in the Option B.

4 0
3 years ago
The following data represent highway fuel consumption in miles per gallon (mpg) for a random sample of 55 models of passenger ca
Varvara68 [4.7K]

Answer:

11  ;

Step-by-step explanation:

Given the data:

30 27 22 25 24 25 24 15 35 35 33 52 49 10 27 18 20 23 24 25 30 24 24 24 18 20 25 27 24 32 13 13 21 2 37 35 32 33 29 3 28 28 25 29 31

Number of classes = 5

Class width : Range / number of classes

Class width = (maximum - minimum) / 5

Class width = (52 - 2) / 5 = 50/5 = 10 + 1 = 11

For the frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies and histogram

Kindly check attached picture

7 0
3 years ago
what is the probability of randomly selecting a black marble from the bag with 4 white, 4 black, and 2 striped
NARA [144]

Answer:

4/10 or 40%

Step-by-step explanation:

4 black marbles out of 10 which equals to 4/10

5 0
4 years ago
Read 2 more answers
Enter the value of p so that the expression (7 + 4n)3 is equivalent to 3 (4n + p).
dexar [7]

Answer:

7

Step-by-step explanation:

Makes both expressions exactly identical and equivalent in value.

3 0
3 years ago
PLEASE HELP FAST!<br> The picture at the top is the question! ONLY FOCUS ON 18!!
shusha [124]
The answer is 320,000
3 0
4 years ago
Read 2 more answers
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