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FinnZ [79.3K]
3 years ago
6

You are conducting an experiment to determine whether males and females have different emotional reactions to chocolate consumpt

ion. Your male sample size is 124, and your female sample size is 232. What is your degrees of freedom when determining your p-value?
Mathematics
1 answer:
Yuri [45]3 years ago
8 0

Answer:

354

Step-by-step explanation:

Data provided in the question:

Sample size of the male = 124

Sample size of the female = 232

Now,

Degree of freedom is calculated as = (Sample,1  - 1 ) + (Sample,2  - 1 )

Therefore,

Degree of freedom

= (Sample size of the male - 1 ) + (Sample size of the male - 1)

or

Degree of freedom = ( 124 - 1 ) + ( 232 - 1 )

or

Degree of freedom = 123 + 231

or

Degree of freedom = 354

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The Robinson family and the Moore family are going on a day trip to visit the Square Caverns on Monday. The Robinson family has
sladkih [1.3K]

Answer:

admission price of each parent = $7.5

admission price of each child = $15

Step-by-step explanation:

x = admission price of each parent

y = admission price of each child

Robinson family:

2x + 4y = 75

Moore family:

2x + 3y = 60

2x + 4y = 75 (1)

2x + 3y = 60 (2)

Subtract (2) from (1)

4y - 3y = 75 - 60

y = 15

Substitute y = 15 into (1)

2x + 4y = 75

2x + 4(15) = 75

2x + 60 = 75

2x = 75 - 60

2x = 15

x = 15/2

x = 7.5

6 0
3 years ago
What is the slope of the line with points (3, 5) and (8, 2)?
Simora [160]

Answer:

-3/5

Step-by-step explanation:

To find slope we use the formula, slope = (y2-y1)/(x2-x1)

We let (3,5) be the first point so, x1 = 3 and y1 = 5

We let (8,2) be the second point so, x2 = 8 and y2 = 2

Now we plug it in the formula,

slope =  (2-5)/(8-3) = -3/5

4 0
4 years ago
A particular fruit's weights are normally distributed, with a mean of 372 grams and a standard deviation of 26 grams. If you pic
Mrac [35]

Answer: 90.93%

Step-by-step explanation:

M= 372

s= 26

n=36

P(365<u><</u>x<380)

1. Find Z ----> <u>365-372</u> \sqrt{36} = -1.6     Next Z----><u>  380 - 372 </u>\sqrt{36}<u>= </u>  1.8

                           26                                               26

2.  plug into calculator to find probablity: normalcdf(-1.6 , 1.8 ) = .90927 or 90.93% that the prob is between 365 and 380

3 0
3 years ago
Using coupons, you spend $120 grocery shopping. This is 80% of the total retail price of the groceries. How much would you spend
user100 [1]

Answer: $150

Step-by-step explanation: If you did not use the coupons you would have spent $150 on groceries. The way to calculate the original price is to divide the price that you paid by the percentage that you paid.

The formula is $120 / .8 = $150, meaning that the original price was $150.

8 0
4 years ago
Jacob is training for a marathon. His plan is to run the same distance for 3 days a week, then increase that distance by the sam
DanielleElmas [232]
F(t)=1.5t+5 that is what i got 
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4 years ago
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