2 years ago

Julie wrote this expression to describe the amount of money she will pay for tickets to the basketball game.

Mathematics

1 answer:

Svetlanka [38]2 years ago

3 0

A. Julia does not know how many tickets she is going to by. She knows that each ticket costs $8.

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What expression represents the statement below?

n200080 [17]

(n / 10) + 15

The quotient is the result of division between two numbers

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2 years ago

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A class has 4 boys and 10 girls what is the ratio in the simplest form that compares numbet boys to total number of students

polet [3.4K]

Answer: 2 : 7

Step-by-step explanation:

Number of boys = 4

Number of girls = 10

Total number of students = total number of boys + total number of girls ,that is

Total number of students = 4 + 10

= 14

Therefore , the ratio in the simplest form that compares number of boys to total number of students is given by

number of boys : total number of students , that is

4 : 14

which will be

2 : 7 in the simplest form

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Need help win number 34. Math.

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I looked it up and this is what it said

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2 years ago

You are given a number. Do you know the number that is 1/5 as big?<br><br> Need answer ASAP ❤️❤️❤️

posledela

Answer:

Step-by-step explanation:

yes, (given number) / 5

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1 year ago

It was reported that 23% of U.S. adult cellphone owners called a friend for advice about a purchase while in a store. If a sampl

leva [86]

Answer:

$P(X=7)$

And using the probability mass function we got:

$P(X=7)=(15C7)(0.23)^7 (1-0.23)^{15-7}=0.0271$

Step-by-step explanation:

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

$X \sim Binom(n=15, p=0.23)$

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

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

Where (nCx) means combinatory and it's given by this formula:

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

And we want to find the following probability:

$P(X=7)$

And using the probability mass function we got:

$P(X=7)=(15C7)(0.23)^7 (1-0.23)^{15-7}=0.0271$

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2 years ago