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Goryan [66]
4 years ago
13

What is the probability of flipping a coin 10 times and getting tails 7 times

Mathematics
2 answers:
Alex787 [66]4 years ago
6 0
7/10 the probability would be
Sliva [168]4 years ago
6 0
You need to use the binomial distribution. You want a 50% chance success, and 7 successes. The result would be 0.1171875 which is 11.7%


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63​% of men consider themselves professional baseball fans. You randomly select 10 men and ask each if he considers himself a pr
finlep [7]

Answer:

a. 0.00069

b. 0.063

c.0.00095

Step-by-step explanation:

a. Probability that exactly 5 men consider themselves professional baseball fans:-

Here, there's a 63/100 or 63% possiblity that five (5) men consider themselves fans and of course, a 37/100 possibility that the other 5 men consider themselves non fans. Each of these must be multiplied and then the result will be the probability that exactly five men consider themselves baseball fans:-

(63/100)^5 × (37/100)^5

= 0.09924 × 0.006934

= 0.000688

Therefore the probability that 5 consider themselves baseball fans is 0.00069

b. The probability that at least 6 are fans:-

In this case, each of the 6 men have some 63/100 or 63% possibility of being a fan.

We therefore multiply 63/100 by itself up to six times

i.e 63/100 × 63/100 × 63/100 × 63/100 × 63/100 × 63/100

or (63/100)^6

= 0.06252

The probability that at least 6 men consider themselves professional baseball fans is 0.063

c. Probability that less than four consider themselves baseball fans:-

In this scenario, it means that at least 7 men out of the ten do not consider themselves professional baseball fans. We then simply multiply 37/100 by itself up to seven times. It isn't too necessary what the remaining three are.

= (37/100)^7

= 0.0009493

Therefore the possibility that less than four men do not consider themselves baseball fans is 0.00095

8 0
4 years ago
Graph the system of inequalities. Then use your graph to identify the point that represents a solution to the system.
lbvjy [14]

Answer:

Your answer is B

Step-by-step explanation:

6.14 Checkpoint: Systems of Linear Inequalities

I took the test.

3 0
2 years ago
Please answer fast I don’t understand
schepotkina [342]

√(10) = 3.16 but it asks you to approximate to the nearest integer.

3.16 to the nearest integer = 3

Your answer should be 3

6 0
4 years ago
Help meeeeeeeeeeeee please
vladimir2022 [97]

Answer:

y=2x+4 so C

Step-by-step explanation:

6 0
3 years ago
The amount of time required to download a song from Michael's computer to his music player is the same for each song he download
Evgesh-ka [11]

Answer:

The correct answer is A. 1.6

Step-by-step explanation:

1.6x50= 80 minutes per song.

1.6x106= 169.6 minutes per song.

If you don't believe me, then grab yourself a calculator, punch the #'s  (above^) in, and you'll get the answer.

Hope this helped ya out! (:

3 0
3 years ago
Read 2 more answers
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