Answer:

1

Step by step explanation

If you have ten candy’s and you have to give 5 to your sister now you have 5 candies left. Now that you have 5 ur mom wants 3 and u ate 1 now you have 1. The total that you gave and u ate is 9.

4 0

3 years ago

Read 2 more answers

A sample of 20 account balances of a credit company showed an average balance of $1,170 and a standard deviation of $125. You wa

Lady_Fox [76]

Answer:

The P-value for this test is P=0.2415.

Step-by-step explanation:

We have to perform an hypothesis testing on the mean of alla account balances.

The claim is that the mean of all account balances is significantly greater than $1,150.

Then, the null and alternative hypothesis are:

$H_0: \mu=1150\\\\H_a: \mu>1150$

The sample size is n=20, with a sample mean is 110 and standard deviation is 125.

We can calculate the t-statistic as:

$t=\dfrac{\bar x-\mu}{s/\sqrt{n}}=\dfrac{1170-1150}{125/\sqrt{20}}=\dfrac{20}{27.95}=0.7156$

The degrees of freedom fot this test are:

$df=n-1=20-1=19$

For this one-tailed test and 19 degrees of freedom, the P-value is:

$P-value=P(t>0.7156)=0.2415$

8 0

3 years ago

PLEASEEE HELP! 3/8x+y=3 find the intercept and sketch the line.

just olya [345]

X-intercept is 8
Y-intercept is 3

8 0

3 years ago

Instructions: Find the volume of each figure. Round your answers to the nearest tenth, if necessary.

Ilia_Sergeevich [38]

The volume of the cone is 84.9 km³

<h3>How to find the volume of a cone?</h3>

Volume of a cone = 1 / 3 πr²h

where

h = height
r = radius

Therefore,

radius = 3 km

height = √9.5² - 3²

height = √81.25

height = 9.01387818866

height = 9.014 km

Volume of a cone = 1 / 3 × 3.14 × 3² × 9.014

volume of the cone = 254.732197612 / 3

volume of the cone = 84.9107325372

volume of the cone = 84.9 km³

learn more on volume here: brainly.com/question/17075150

#SPJ1

7 0

1 year ago