taylorbean315
10.04.2021 •
Mathematics
BRAINLIEST
a. 2 root of 5
b. 4
c. 4 root of 5
d. 3
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Ответ:
4
Step-by-step explanation:
Because the height would be half of the base.
Hope this helps ^-^
Ответ:
The probability of flipping a coin 10 times and it landing on heads exactly seven times is about 0.1172 or 11.72%.
Step-by-step explanation:
We can use basic binomial distribution, which is given by the formula:
Where n represent the number of trials, x represent the number of successes desired, p represent the chance of success, and q represent the chance of failure.
Since we are flipping a coin 10 times, we are conducting 10 trials. So, n = 10.
We want to probability that it lands on heads exactly 7 out of 10 times. So, the number of desired successes x is 7.
The probability of success p is 1/2.
And the probability of failure q is also 1/2.
Substituting:
The probability of flipping a coin 10 times and it landing on heads exactly seven times is about 0.1172 or 11.72%.