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Mnenie [13.5K]
3 years ago
13

Can someone help me please​

Mathematics
2 answers:
kenny6666 [7]3 years ago
6 0

Answer:

A) The mean is 8, the median is 7

B) The mean is 9, the median is 9

C) The missing number is 7.

D) The missing number is 2.

E) The missing number for x is 9, the missing y number is 22.

Step-by-step explanation:

Ad libitum [116K]3 years ago
3 0

Answer:

a) = 8

Step-by-step explanation:

You add up all the numbers then divide that number by how many numbers you had. 4+5+7+11+13=40 40/5.

Do you want the rest?

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Use the multiplication rule to find the probability that the first four guesses are wrong and the fifth is correct. That is, fin
BabaBlast [244]

Complete question is;

Multiple-choice questions each have 5 possible answers, one of which is correct. Assume that you guess the answers to 5 such questions.

Use the multiplication rule to find the probability that the first four guesses are wrong and the fifth is correct. That is, find P(WWWWC), where C denotes a correct answer and W denotes a wrong answer.

P(WWWWC) =

Answer:

P(WWWWC) = 0.0819

Step-by-step explanation:

We are told that each question has 5 possible answers and only 1 is correct. Thus, the probability of getting the right answer in any question is =

(number of correct choices)/(total number of choices) = 1/5

Meanwhile,since only 1 of the possible answers is correct, then there will be 4 incorrect answers. Thus, the probability of choosing the wrong answer would be;

(number of incorrect choices)/(total number of choices) = 4/5

Now, we want to find the probability of getting the 1st 4 guesses wrong and the 5th one correct. To do this we will simply multiply the probabilities of each individual event by each other.

Thus;

P(WWWWC) = (4/5) × (4/5) × (4/5) × (4/5) × (1/5) = 256/3125 ≈ 0.0819

P(WWWWC) = 0.0819

4 0
3 years ago
50 points increased by 26%
QveST [7]
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We know that
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Answer:

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Step-by-step explanation:

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ikadub [295]

Answer:

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Step-by-step explanation:

(2/5)*17

=6.8

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3 years ago
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