Answer:
D.) 10/11
Step-by-step explanation:
Here the given word Probability has 11 letters in it. And we have to calculate the Probability of not selecting a letter P from the above word.
So the formula for calculating any probability is Total Favorable outcomes / Total number of outcomes.
Here total number of outcomes are 11 as word Probability has 11 letters.
So the probability of selecting letter P from word Probability =
Now the P(not P) = 1 - P(selecting letter P)
= 1 - =
B. Confidence Level: 95%; Confidence Interval: 40 to 50
C. Confidence Level: 68%; Confidence Interval: 43 to 47
D. Confidence Level: 95%; Confidence Interval: 42 to 48
ConfidenceLevel: 95%; Confidence Interval: 42 to 48. Then the correct option is D.
Suppose the confidence interval at P% for some parameter's values is given by x ± y.
That means that the parameter's estimated value is P% probable to lie in the interval
[x - y, x + y]
Four research teams each used a different method to collect data on how fast a new iron skillet rusts.
Assume that they all agree on the sample size and the sample mean (in days).
Use the (confidence level; confidence interval) pairs below to select the team that has the smallest sample standard deviation.
Then we have
48 - 42 = 6
Then we have
6/2=3
3 is smallest
Then the correct option is D.
Learn more about confidence intervals here:
#SPJ2
Answer:
D. Confidence Level: 95%; Confidence Interval: 42 to 48
Step-by-step explanation:
48-42=6
6/2=3
3 is smallest
I tested A and got it incorrect so D is the awnser
Answer:
C= -145, (35/4, 295/8, 45)
Step-by-step explanation:
Use Gaussian elimination to find the values of x, y and z
Eq 1: -x+2y-z=20
Eq 2: x-2y+2z=25
Eq 3: 2x+4y-3z=30
Eq 1: (-x+2y-z=20 ) × 1
Eq 2: x-2y+2z=25
Eq 3: 2x+4y-3z=30
⇒ Eq1: -x+2y-z=20
Eq2: z= 45
Eq 3: 2x+4y-3z=30
Eq1: (-x+2y-z=20 ) × 2
Eq2: z= 45
Eq3: 2x+4y-3z=30
⇒ Eq1: -x+2y-z=20
Eq2: z= 45
Eq3: 8y-5z= 70
Eq 1: -x+2y-z=20
Eq 3: 8y-5z= 70
Eq 2: z= 45
Z=45
y= 295/8
x= 35/4
C= -145
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Domain:
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Range:
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Thus the correct answer is ((B)).
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What is the y intercept of the line represented by the equation
3x+2y = 6?
Answer:
3
Step-by-step explanation:
To identify the y-intercept represented by the given equation, we need to get the equation into slope-intercept from:
Start with:
Subtract from both sides of the equation:
Divide both sides of the equation by the coefficient of , which is :
Identify the y-intercept:
Answer here
SUBMIT
Answer:
20
Step-by-step explanation:
factors of 20 = 1 2 4 5 10 20
factors of 40 = 1 2 4 5 8 20 10
therefore 20 is the greatest common