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2 years ago

Jim rolls a fair dice 36 times. How many times would Jim expect to roll a three?

Mathematics

2 answers:

Tresset [83]2 years ago

5 0

Answer:

I think it's 6 but I'm not sure

Step-by-step explanation:

36:6=6

levacccp [35]2 years ago

3 0

Answer:

Step-by-step explanation:

36/6=6

if it is a fair dice it will be even

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According to an almanac, 60% of adult smokers started smoking before turning 18 years old. (a) compute the mean and standard

larisa [96]

The given problem describes a binomial distribution with p = 60% = 0.6. Given that there are 400 trials, i.e. n = 400.

a.) The mean is given by:

$\mu=np=400\times0.6=240$

The standard deviation is given by:

$\sigma=\sqrt{npq} \\ \\ =\sqrt{np(1-p)} \\ \\ =\sqrt{400(0.6)(0.4)} \\ \\ =\sqrt{96}=9.80$

b.) The mean means that in an experiment of 400 adult smokers, we expect on the average to get about 240 smokers who started smoking before turning 18 years.

c.) It would be unusual to observe <span>340 smokers who started smoking before turning 18 years old in a random sample of 400 adult smokers because 340 is far greater than the mean of the distribution.
340 is greater than 3 standard deviations from the mean of the distribution.</span>

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2 years ago

You have a large container of olive oil. You have used 25 quarts of oil.

Svetradugi [14.3K]

Step-by-step explanation:

25 plus 25 equal 50 so 50 percent

7 0

2 years ago

Solve for x.<br> 5x−2(x+1)=14 <br><br> x =

IceJOKER [234]

Answer:

x=16/3

Step-by-step explanation:

5x−2(x+1)=14

Distribute

5x -2x -2 =14

Combine like terms

3x -2 =14

Add 2 to each side

3x-2+2 =14+2

3x=16

Divide each side by 3

3x/3 = 16/3

x=16/3

8 0

2 years ago

Read 2 more answers

Use the rules of equations and inverse operations to solve the equation 3x^2=;8

PtichkaEL [24]

8-2 and then 3 divided by 6 which will give you 0.5 so x=0.5

4 0

2 years ago

Classify each polynomial and determine its degree. the polynomial 3x2 is a with a degree of . the polynomial x2y 3xy2 1 is a wit

Fofino [41]

$\rm 3x^2$ is the polynomial of one variable with second-order and $x^2y+3xy^2+1$ is the polynomial of two variables with third-order

<h3>What is polynomial?</h3>

Polynomial is the combination of variables and constants in a systematic manner with "n" number of power in ascending or descending order.

We have polynomials:

$\rm 3x^2$ and

$x^2y+3xy^2+1$

For $3x^2$

In this polynomial, the number of variables is one and the maximum power of x is 2, therefore:

This is the polynomial of one variable with second order.

In polynomial, $x^2y+3xy^2+1$ there are two variables x and y.

The maximum power of x is 3( x has a power of 2 and y has a power of 1)

This is the polynomial of two variables with third order.

Thus, $\rm 3x^2$ is the polynomial of one variable with second-order and $x^2y+3xy^2+1$ is the polynomial of two variables with third-order.

Learn more about Polynomial here:

brainly.com/question/17822016

7 0

2 years ago

Jim rolls a fair dice 36 times. How many times would Jim expect to roll a three?​

Jim rolls a fair dice 36 times. How many times would Jim expect to roll a three?