A student claims that the expression “9 times the sum of a number and 13" is translated to the algebraic expression 9n + 13. Is
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Using the binomial distribution, it is found that there is a 0.3438 = 34.38% probability that fewer than 3 of them are boys.
<h3>What is the binomial distribution formula?</h3>The formula is:
The parameters are:
- x is the number of successes.
- n is the number of trials.
- p is the probability of a success on a single trial.
In this problem, the values of the parameters are given as follows:
n = 6, p = 0.5.
The probability that fewer than 3 of them are boys is given by:
In which:
Then:
0.3438 = 34.38% probability that fewer than 3 of them are boys.
More can be learned about the binomial distribution at brainly.com/question/24863377
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