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natka813 [3]
3 years ago
10

You are thinking of using a t procedure to construct a 95% confidence interval for the mean of a population. You suspect the dis

tribution of the population is not Normal and may be skewed. Which of the following statements is CORRECT? a. You should not use the t procedure because the population does not have a
Normal distribution.
b. You may use the t procedure, provided your sample size is large, say at least 40. c. You may use the t procedure because it is robust to nonNormality.
Mathematics
1 answer:
bonufazy [111]3 years ago
5 0

this makes no sense sos im only 8 years old.

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Evaluate: 2·5/4-2 A) 5/8 B) 8/5 C) 40 D) 160
allochka39001 [22]

Answer: 1/2

<u>Multiply</u>

2×5=10

10/4-2 is your new problem

<u>Simplify</u>

10/4 = 5/2

5/2-2 is your new problem

<u>Subtract</u>

5/2-2=1/2

6 0
2 years ago
If 40% of a given number is 8, then what is 15% of the given number?
Norma-Jean [14]
40% of a given number is 8...
0.40x = 8
x = 8 / 0.40
x = 20....so 20 is the given number

what is 15% of 20...
0.15(20) = 3 <==== ur answer
5 0
3 years ago
The greatest amount of sap collected from any on tree is ? times as great as the least amount of sap collected from any one tree
prisoha [69]

Answer:

the greatest amount of sap collected from any one tree is two times as great as the least amount of sap collected from any one tree

Step-by-step explanation:

8 0
2 years ago
#10-1 : What is the probability of randomly choosing a diamond card from a regular deck of 52 cards? What is the probability of
Alchen [17]

\huge{\boxed{\frac{1}{4}}}\ \ \huge{\boxed{\frac{1}{4}}}

There are 13 of each suit in a deck of 52 cards.

This means the probability of drawing a diamond card is \frac{13}{52}. You can divide the numerator and denominator each by 13 to simplify. \frac{13}{52} \div \frac{13}{13} = \boxed{\frac{1}{4}}

Since there are the same number of clubs as there are diamonds, the probabilities are the same.

3 0
3 years ago
Can you plz help me with this, because I don’t know how to do this and can u plz explain how to do it
Alecsey [184]

Answer:

Step-by-step explanation:

You can start this in may ways but let's start by isolating one of the parenthesis:

x (x² - 5) = - (x - 3)

x³ - 5x = -x + 3 (here I multiplied x for what's inside the parenthesis and the "minus" signal by the other parenthesis which was (x - 3))

x³ - 5x + x = 3

x³ -4x = 3

x³ -4x -3 = 0 (now this right here is a "depressed cubic equation" and it's one of the toughest sit of all time, so good luck with that, you might wanna take a look at this:

ytb/watch?v=rNDy2ZFvG1E

or maybe I'm doing something wrong and it's simpler than that, but whaterver...)

4 0
2 years ago
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