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Nadusha1986 [10]
4 years ago
7

What is the t- critical value for the confidence levek of c=92 and 19 degrees of freedom

Mathematics
1 answer:
Nonamiya [84]4 years ago
8 0

Answer:

-1.85

Step-by-step explanation:

On TI-84

invT((1-0.92)/2), 19)

invT(0.04,19)

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Mrs pender shows her students 2 sticks measuring 6 inches and 2 sticks measuring 8 inches. She asked the student to arrange the
MrMuchimi

Answer:

The answer is A got it correct on the test

Step-by-step explanation:

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3 0
3 years ago
What is the volume of a cereal box that is 2 inches thick, 12 inches high and 10 inches wide?
-Dominant- [34]

Answer:

240

Step-by-step explanation:

12 times 2 is 24

24 times 10 is 240

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6 0
3 years ago
Read 2 more answers
A study conducted at a certain high school shows that 72% of its graduates enroll at a college. Find the probability that among
mixas84 [53]

Answer:

P(X \geq 1) =1-P(X

And we can use the probability mass function and we got:

P(X=0)=(4C0)(0.72)^0 (1-0.72)^{4-0}=0.00615

And replacing we got:

P(X \geq 1) = 1-0.00615 = 0.99385

Step-by-step explanation:

Let X the random variable of interest "number of graduates who enroll in college", on this case we now that:  

X \sim Binom(n=4, p=0.72)  

The probability mass function for the Binomial distribution is given as:  

P(X)=(nCx)(p)^x (1-p)^{n-x}  

Where (nCx) means combinatory and it's given by this formula:  

nCx=\frac{n!}{(n-x)! x!}  

We want to find the following probability:

P(X \geq 1)

And we can use the complement rule and we got:

P(X \geq 1) =1-P(X

And we can use the probability mass function and we got:

P(X=0)=(4C0)(0.72)^0 (1-0.72)^{4-0}=0.00615

And replacing we got:

P(X \geq 1) = 1-0.00615 = 0.99385

5 0
3 years ago
A bag contains 39 colored marbles. There are six blue marbles, 14 red marbles, eight yellow marbles, and 11 clear marbles. What
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Answer:

6 to 10 or 6/10

Step-by-step explanation:

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What is part of a line, has one endpoint, and continues in one direction
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It is called a ray. Which is what you described
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