10/27/20

binomial probability
of all college freshman who try out for the track team, the coach will only accept 25%. if 14 freshman try out for the track team, what is the probability that:a. none of the 14 are acceptedb. at... more
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10/27/20

binomial probability
the management of a restaurant conducted a survey and found that 35% of the customers preferred to sit in the smoking section. based on this information, what is the probability that for a random... more
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10/27/20

Determine the coordinates of the vertices of the rotation image of the trapezoid ABCD (in the figure) if it is rotated 90 degrees clockwise about point Y.
Determine the coordinates of the vertices of the rotation image of the trapezoid ABCD (in the figure) if it is rotated 90 degrees clockwise about point Y.
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10/27/20

If alternate interior angles are NOT congruent, then what must be true?
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10/27/20

Compute the following probabilities using the z-score table. (a) P (Z < −0.74) (b) P(Z > 2.34) (c) P(0.25 < Z < 0.89)
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10/27/20

Let X be a random variable which follows a normal distribution with mean 5 and standard deviation 3. (a) P(X < 7) (b) P(X > 2.5) (c) P(2.5<X <7)
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10/27/20

Statistics Questions
1) A manufacturer knows that their items lifespans are normally distributed according to N(3.2,0.6).What proportion of the items' lifespans will be longer than 4 years? Round answer to 4 decimal... more
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10/27/20

Write an equation in slope-intercept form for the line that passes through the given point and is perpendicular to the graph of each equation.
(-2, 3), y = x - 4
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10/27/20

The coordinates of the point 7/10 of the way from A to B are a=-3,-7 b=11,6
The coordinates of the point 7/10 of the way from A to B are a=-3,-7 b= 11,6
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10/26/20

If x < 0 and y = 0, where is the point (x, y) located?
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10/26/20

If a figure is translated by the rule T⟨3, −3⟩, which translation moves the image back to the original position? A. T⟨3, –3⟩ B. T⟨–3, 3⟩ C. T⟨0, 3⟩ D. T⟨–3, 0⟩
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10/26/20

Instructions: Find the equation of the line through point (8, - 9) and perpendicular to 3x + 8y = 4 4. Use a forward slash (ie. for fractions (e.g. 1/2 for .
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10/26/20

statistic Easy question

What type of variable is the number of robberies reported in your city? A– Attribute B– Continuous C– Quantitative D– Qualitative
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10/26/20

Of 150 adults selected randomly from one town, 30 of them smoke. Construct a 99% confidence interval for the true percentage of all adults in the town that smoke.
Of 150 adults selected randomly from one town, 30 of them smoke. Construct a 99% confidence interval for the true percentage of all adults in the town that smoke.
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10/26/20

Find 2 consecutive odd numbers that have a product of 63
solve and give equation
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10/25/20

statistics help for Math 108
The math scores for those taking the SAT test are normally distributed with a mean of 508 and a standard deviation of 120 (based on data from the College Board). Suppose a college includes a... more
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10/25/20

f CDE is a straight angle, DE bisects GDH, m GDE = (8x 1) ° , m EDH = (6x + 15) ° , and m CDF = 43 ° , find each measure.

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10/24/20

Solve this equation or inequality. Graph the solution.
4 - x = |2 - 3x|
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10/24/20

Needed ASAP: Hypothesis Testing Question
Test the claim that the proportion of men who own cats is smaller than 40% at the .01 significance level.The null and alternative hypothesis would be:H0:p=0.4H1:p<0.4The test is... more
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10/24/20

Hypothesis Testing Question (Needed Quickly Please)
You are conducting a study to see if the probability of catching the flu this year is significantly different from 0.52. You use a significance level of α=0.10.H0:p=0.52H1:p≠0.52You obtain a sample... more
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10/24/20

help with math problem
David’s coin collection is valued at $22.70. He has one fewer half-dollar coin than twice the number of dimes and four more quarters than three times the number of dimes. How many dimes,... more
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10/24/20

Someone help me with another stats question please
You wish to test the following claim (Ha) at a significance level of α=0.001.Ho:p=0.24Ha:p≠0.24You obtain a sample of size n=410 in which there are 76 successful observations. For this test, you... more
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10/24/20

Someone please help me with this stats question
You wish to test the following claim (Ha) at a significance level of α=0.05.Ho:μ=74.1Ha:μ>74.1You believe the population is normally distributed, but you do not know the standard deviation. You... more
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10/24/20

Write the equation of the line through (0, - 2) and (3, 13) -slope form. The line through (0, - 2) and (3, 13) in point-slope form
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10/23/20

In ∆ABC, if m∠A is thirteen less than m∠C and m∠B is eleven less than four times m∠C, find the measure of each angle.

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