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julia-pushkina [17]

3 years ago

12

:Sarah and bryan went shopping and spent a total of 47:50. bryan spent 15.50 less than what sarah spent. How much did bryan spen

d?

1 answer:

Elena L [17]3 years ago

8 0

Answer:

its 32.00

Step-by-step explanation:

47.50

-15.50

---------

32.00

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Umnica [9.8K]

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What is the square root of 1296??

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<span>The square root of 1296 is 36.</span>

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4 years ago

pedro earned gross income of 35200 last year. if he took the standard deduction of 5450 and one exemption of 3500, what was his

Elenna [48]

Answer:

33250

Step-by-step explanation:

Pedro had earned a gross income of 35200 last year.

So, the gross income of Pedro for the current year will also be 35200.

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3 years ago

Compute $\sqrt{25^2-7^2}$.

EastWind [94]

Answer:

24

Step-by-step explanation:

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3 years ago

The probability of winning a certain lottery is 1/77076 for people who play 908 times find the mean number of wins

Alex73 [517]

The mean is 0.0118 approximately. So option C is correct

<h3><u>Solution:</u></h3>

Given that , The probability of winning a certain lottery is $\frac{1}{77076}$ for people who play 908 times

We have to find the mean number of wins

$\text { The probability of winning a lottery }=\frac{1}{77076}$

Assume that a procedure yields a binomial distribution with a trial repeated n times.

Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial.

$n=908, \text { probability } \mathrm{p}=\frac{1}{77076}$

$\text { Then, binomial mean }=n \times p$

$\begin{array}{l}{\mu=908 \times \frac{1}{77076}} \\\\ {\mu=\frac{908}{77076}} \\\\ {\mu=0.01178}\end{array}$

Hence, the mean is 0.0118 approximately. So option C is correct.

4 0

3 years ago