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lilavasa [31]
4 years ago
11

An experiment using 35 guinea pigs is set up to study the weight of the pigs after injecting them with a drug. If the population

mean is 23.5 grams with a standard deviation of 3.4 grams, what is the margin of error of the sample mean?
Mathematics
2 answers:
Artist 52 [7]4 years ago
7 0
The formula in getting the margin of error of the sample mean, the formula is the product of the percentage of confidence and the quotient of the population of the standard deviation and the square root of of its sample size. So the answer is  0.097 grams
patriot [66]4 years ago
5 0

If the population mean is 23.5 grams with a <span>standard deviation of 3.4 grams, then the margin of error of the sample mean is </span><span>0.097 grams. The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query about this specific question.</span>

<span> </span>

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A cow can give 5 gallons of milk if it eats 2 pounds of grass. Express x in terms of y, where y is the number of gallons of milk
spayn [35]

Answer:

x = 2.5y

Step-by-step explanation:

If a cow can give 5 gallons of milk after eating 2 pounds of grass.

Let's consider 'x' is the number of pounds of grass it eats and 'y' is the number of gallons of milk the cow gives.

Hence,

5y = 2x

We will simplify it to get what x equal to y by dividing 2 on both side we find,

x = 2.5y

x is equal to 2.5 y

By eating 1 pound of grass cow can give 2.5 gallons of milk.

7 0
4 years ago
PLEASE ANSWER + BRAINLIEST!!
Gelneren [198K]
5x = x^2 + 4
x^2 - 5x + 4 = 0
(x - 4)(x - 1) = 0

x = 4, 1

(x + 6)^2 = 100
x + 6 = +/1 sqrt100
x + 6 = +/- 10

x =  4,  -16


6 0
4 years ago
Read 2 more answers
Find 2 consecutive odd integers sum of who's square is 290​ pls send fast
ELEN [110]

Answer:

<h3>Hence required integers are 11 and 13</h3>

Let x an odd positive integer

Then, according to question

x^2 +(x+2)^2=290

2x^2 +4x−286=0

x^2 +2x−143=0

x ^2+13x−11x−143=0

(x+13)(x−11)=0

x=11 as x is positive

Hence required integers are 11 and 13

Step-by-step explanation:

Hope it is helpful....

7 0
3 years ago
Please help asap!!! Will get brainlist :)
larisa [96]

Answer:

geometric because it is decreased by 1/27

Step-by-step explanation:

8 0
3 years ago
When does the price of an item increase?
Mrrafil [7]

Answer:

B

Step-by-step explanation:

Tell me if you need an explanation

3 0
3 years ago
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