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natima [27]
3 years ago
9

Lynn and Dawn tossed a coin 60 times and got heads 26 times. What is the experimental probability of tossing heads using Lynn an

d Dawn’s results?
Mathematics
1 answer:
12345 [234]3 years ago
5 0
You would do 26/60 and turn it into a percentage (43.33333333%)
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Graph the linear equation and answer each of the following questions. y=-2x-3 (A)What is the y-intercept?
balandron [24]
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Step-by-step explanation:

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He hypotenuse of a right triangle is three times the length of one of the legs. the length of the other leg is 648‾‾‾‾√648 feet.
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2 years ago
For a binomial process, the probability of success is 40 percent and the number of trials is 5. Find the standard deviation.
Yakvenalex [24]

Answer:

Sd(X) =\sqrt{1.2}=1.095

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest, on this case we now that:

X \sim Binom(n=5, p=0.4)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

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nCx=\frac{n!}{(n-x)! x!}

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And the deviation is just the square root of the variance so we got:

Sd(X) =\sqrt{1.2}=1.095

7 0
3 years ago
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