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sashaice [31]
2 years ago
14

the information for the questions come with the image, you only need to do one but do as many as you'd like

Mathematics
2 answers:
Fofino [41]2 years ago
8 0

Answer:ohhhh

Step-by-step explanation:

ioda2 years ago
3 0
There is a 3/10, 0.3, and 30% chance of selecting cheesecake then a 4/10, 0.4, 40% chance on selecting cookies.

There is a 3/10, 0.3, 30% chance of a person selecting and eating a apple pie and the chance of them selecting another apple pie is 2/9, 0.22222222, 22.2222%.

There is a 4/10, 0.4, 40% chance somebody selects a cookie and gives it to their friend and their is a 3/9, 0.33333333333333, 33.3333% of someone selecting cheesecake randomly.

There is a 3/10, 0.3, 30% percent chance of someone randomly selecting a apple pie then putting it back and there is a 4/10, 0.4, 40% chance of someone selecting a cookie.

There is a 3/10, 0.3, 30% of someone randomly selecting a cheesecake and eating it and there is a 3/9, 0.33333333333333, 33.3333%. I hope this helps but i am a little unsure if for example it says what r the chances of someone RANDOMLY selecting lets say a cookie and lets say the fraction is 3/10, 0.3, 30% and lets say they put it back then it says what are the chances of someone selecting cheesecake but it doesn’t say randomly lets say there are three cheesecakes would the fraction, decimal, and percentage be a hundred percent chance on all of the things because it wasn’t picked randomly?

And another thing is lets say for number 1 someone takes a cheesecake and eats it. Would that affect the number of cheesecakes for the other questions?



ANYWAY I ANSWERED YOUR QUESTIONS THE BEST I COULD IM SORRY IF SOME WERE WRONG ALTHOUGH I DON’T THINK THEY ARE I DON’T KNOW WHAT PEOPLE MEAN BY THEY WOULD GIVE BRAINLIEST BUT IF YOU KNOW HOW OR YOU CAN WILL YOU GIVE IT TO ME.
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Evaluate the following expressions using the order of operations
Ahat [919]
7*8-4(6-2)+18
56-4(4)+18
56-16+18
40+18
58

6^2-(8*3)+2^2(7*3)
36-24+4(21)
12+84
96
7 0
3 years ago
Grace earns $7 for each car she washes. She always saves $25 of her weekly earnings. This week, she wants to have at least $65 i
mars1129 [50]
7c - 25 ≥ 65 is the answer.
3 0
3 years ago
Find the measure of an angle whose supplement measures seventeen times its measure
Lilit [14]
<span>supplement angles, sum = 180
lets x =  angle
</span><span>its supplement = 180 - x

x + 17x = 180
18x = 180
x = 10
180 -10 = 170

answer
angle = 10
its </span><span>supplement  = 170</span>
5 0
3 years ago
5 x + 4y= 16<br> X+y = 3.5<br><br> Find out what each letter is equal to <br> X=<br> Y=
klemol [59]
X=4
Y=-0.5

Do you need an explanation?
5 0
3 years ago
A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements are centimeters on a pain sca
blondinia [14]

The confidence interval for mean of the "before-after" differences is \fbox{(-0.4037,1.8037)}

Further explanation:

Find the difference between the before pain and the after pain.

Difference = before-after

Kindly refer to the Table for the difference of between the before and after pain.

Sum of difference = 5.6

Total number of observation = 8

Mean of difference = 0.7

Sample standard deviation s = 1.3201

Level of significance = 5\%

Formula for confidence interval = \left( \bar{X} \pm t_{n-1, \frac{\alpha}{2}\%} \frac{s}{\sqrt{n}} \right)

confidence interval = \left( 0.7 \pm t_{8-1, \frac{5}{2}\%} \frac{1.3201}{\sqrt{8}} \right)

confidence interval = \left( 0.7 \pm t_{7, \frac{5}{2}\%} \frac{1.3201}{\sqrt{8}} \right)

From the t-table.

The value of t_{7, \frac{5}{2}\%=2.365

Confidence interval = ( 0.7 \pm 2.365}\times \frac{1.3201}{\sqrt{8}}) \right)

Confidence interval = \left( 0.7 - 2.365}\times \0.4667,0.7 + 2.365}\times \0.4667) \right

Confidence interval = (0.7-1.1037,0.7+1.1037)

Confidence interval = \fbox{(-0.4037,1.8037)}

The 95\% confidence interval tells us about that 95\% chances of the true mean or population mean lies in the interval.

Yes, the hypnotism appear to be effective in reducing pain as confidence interval include includes the positive deviation from the mean.

Learn More:

1. Learn more about equation of circle brainly.com/question/1506955

2. Learn more about line segments brainly.com/question/909890  

Answer Details:

Grade: College Statistics

Subject: Mathematics

Chapter: Confidence Interval

Keywords:

Probability, Statistics, Speed dating, Females rating, Confidence interval, t-test, Level of significance , Normal distribution, Central Limit Theorem, t-table, Population mean, Sample mean, Standard deviation, Symmetric, Variance.

7 0
3 years ago
Read 2 more answers
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