10/21/20

You intend to estimate a population mean with a confidence interval. You believe the population to have a normal distribution.
You intend to estimate a population mean with a confidence interval. You believe the population to have a normal distribution. Your sample size is 73.While it is an uncommon confidence level, find... more
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10/21/20

You intend to estimate a population proportion with a confidence interval.
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this... more
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10/21/20

Out of 400 people sampled, 332 preferred

Out of 400 people sampled, 332 preferred Candidate A. Based on this, estimate what proportion of the voting population (p) prefers Candidate A.Use a 99% confidence level, and give your answers as... more
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10/21/20

Out of 240 people sampled, 60 had kids. Based on this, construct a 95% confidence
Out of 240 people sampled, 60 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.
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10/21/20

A political candidate has asked you to conduct a poll to determine what percentage of people support her.
A political candidate has asked you to conduct a poll to determine what percentage of people support her.If the candidate only wants a 7% margin of error at a 95% confidence level, what size of... more
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10/21/20

stats confidence intervals
If n = 400 and ˆp (p-hat) = 0.65, construct a 95% confidence interval.Give your answers to three decimals
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10/21/20

The sum of two number is 1.Eight the 1st number is increased by five time the 2nd number is -13. Find the two numbers.
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10/21/20

FInd the error in the solution and then solve correctly;
(X2+X)-(2x2-3x) x2+x-2x2-3x (x2-2x2)+(x-3x) -x2-2x
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10/21/20

(Given two points) For All Equations Write The Equation of the line, In Standard Form, Using the Following Information:
Also, for both equations, could you not use mixed numerals and Simplify as much as possible?______________________________________Point 1: (5, -7)Point 2: (-1,... more
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10/21/20

(Given one point) For Both Equations Write The Equation of the line, In Standard Form, Using the Following Information:
Also, for both equations, could you not use mixed numerals and Simplify as much as possible?_________________________________________________Slope: 2Point: (3,... more
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10/21/20

Helpwithmathplease
A restaurant ordered 15 pounds of almonds the supplier only sent 2/3 of the order how many pounds is the supplier send
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10/20/20

I'm not sure how to solve these three questions. If you could help explain that would be great
"At The Fencing Center, 60% of the fencers use the foil as their main weapon. We randomly survey 22 fencers at The Fencing Center. We are interested in the numbers that do not use the foil as their... more
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10/20/20

On Tuesday Wilbur bought eight posters. On Wednesday half of all the posters that he had were destroyed. On Thursday there were only 17 left. How many did he have on Monday?
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10/20/20

What is the quotient of 25 and the sum of x and 2?
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10/20/20

A line segment has endpoints P (-3, 0) and R (5, 12) and midpoint Q. What is the coordinates of Q?
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10/20/20

If Jose has 15 dimes and nickels in his pocket, and they have a combined value of 120 cents, how many of each coin does he have?
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10/20/20

Which of the following is the standard form of the equation 𝑦 = −2/3𝑥 + 4?
−2𝑥 − 3𝑦 = 122𝑥 − 3𝑦 = 12−2𝑥 + 3𝑦 = 122𝑥 + 3𝑦 = 12
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10/20/20

Which of the following is the standard form of the following graph?
x + y = 3x - y = 32x + 3y = 32x + y = 3
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10/20/20

Which of the following is the slope-intercept form of the equation 4𝑥+5𝑦=20?
𝑦 = 4𝑥/5 − 4y = −4𝑥/5 − 4𝑦 = −4𝑥/5 + 4y = 4x/5 + 4
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10/20/20

Percentiles and Z-scored
Drinks at Ben's Beans have a mean sugar content of 20 grams with a standard deviation of 6 grams. The sugar content in a Grande Cappuccino at Ben's Beans has a z-score of -0.75 compared to the rest... more
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10/20/20

If m EBD = 36 °and m DBC = 108 ° , find m EBC. SOLVE PLEASE
If m EBD = 36 °and m DBC = 108 ° , find m EBC.
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10/19/20

Direct variation

Suppose that y varies directly with as x and y=-9 when x=3 Find the value of x when y=18
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10/19/20

Does anyone know the answer to this question I've been working on it for an hour its driving me crazy
Madeline has two different candles made by two different companies. The length (in centimeters) of the first candle depends on its burning time t (in hours) according to the formula f(t)=20-1.5t.... more
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10/19/20

Help Please stat
Scores for a common standardized college aptitude test are normally distributed with a mean of 515 and a standard deviation of 107. Randomly selected men are given a Test Prepartion Course before... more
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10/19/20

Relation & function

If f(x) =x^2 - 2x, find: f(-3)=
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