Patrick L.

08/04/20

Statistics homework help

If you flip a fair coin four times, find the probability that all four outcomes are(a ) tails.(b) heads.(c) not the same.

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Algebra 1

08/04/20

help me please i try but i can not get it

You want to create a mixture of 60% alcohol from 5 L of 10% solution. How many liters of pure (100%) alcohol should be added?

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Algebra 2

08/03/20

The function h(x)= (x + 6)^5 can be expressed in the form f(g(x)) where f ( x ) = x^5, and g(x) is defined below

g(x)=could someone help me with this? Thank you

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Algebra 2

08/03/20

please help I really don.t get it at all pleas help

Enter a recursive rule and an explicit rule for the arithmetic sequence. Then, find the 20th term of the sequence.25, 35, 45, 55, ...The recursive rule is f(1) = _____ , f(n) = f (n or n+1 or n-1)... more

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Statistics

08/03/20

Statistics Question

For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.A random sample of 5778 physicians in Colorado showed... more

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Statistics

08/02/20

Statistics Question

The method of tree ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population of x values has an approximately normal... more

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Algebra 1 Prealgebra

07/31/20

Word problem algebra

A statistics student is taking a poll of his high school classmates and their senior prom preferences. He asked those who polled, “last year tickets for the senior prom were $60 each. This year... more

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Algebra 1

07/30/20

Complete the equation of the line through (-9,7) and (-6,-3).

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Probability

07/29/20

A probability question.

A jar contains 3 blue balls, 2 white balls and 5 red balls. A ball is selected at random and the colour of the ball is noted and replaced back into the jar. A second ball is selected and its colour... more

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Statistics

07/29/20

Elementary statistics

An elevator has a placard starting that the maximum capacity is 1680 lb- 10 passengers. So, 10 adult male passengers can have a mean weight of up to 1680/10=168 pounds. If the elevator is loaded... more

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Calculus Precalculus

07/28/20

How to find the cubic polynomial?

Find a cubic polynomial in standard form with real coefficients, having the given zeros.0 and 3+5i

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Calculus Precalculus

07/28/20

Find polynomial function

Find a polynomial function P of the lowest possible degree, having real coefficients, a leading coefficient of 1, and with the given zeros.3+2i, −1, and 2

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Probability

07/28/20

How do I solve this problem?

if the probability of drawing a red card from a box is 3/8, what are the odds against drawing a red card from the box

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Probability

07/28/20

How do I solve this problem?

you are dealt two cards successively without replacement from a shuffled deck of 52 playing cards. find the probability that the first card is a heart and the second card is a diamond. round to... more

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Probability

07/28/20

What’s the probability?

Assume that two marbles are drawn without replacement from a box with 1 blue, 3 white, 2 green and 2 red marbles. Find probability that both marbles are white. Round to nearest thousandth

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Math Probability

07/28/20

please answer this ASAP

Netflix Addiction. A research was conducted to assess the impact of Netflix on students’ academic performance. A random sample of 300 students resulted in a sample mean of 10.7 hours (watched per... more

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Statistics

07/26/20

Null Hypothesis

Researchersareinterestedinthemeanageofacertainpopulation.Arandomsampleof10individuals ̄drawn from the population of interest has a mean of X = 27. Assuming that the population is approximately... more

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Math Statistics

07/26/20

Statistics help!

In a test of the effectiveness of garlic for lowering cholesterol, 48 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment.... more

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Probability

07/25/20

Determine the probability of landing a 4 on a spinner & rolling a 6 on a die

Probability of rolling a 6 on a die & landing a 4 on a spinner

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Math Algebra 1 Algebra

07/24/20

h(t)=−16t2+64t+80

A person standing close to the edge on top of a 80-foot building throws a ball vertically upward. The quadratic function h(t)=−16t2+64t+80 models the ball's height about the ground, h(t), in... more

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Math Algebra 2

07/24/20

Finding the positive, negative complex zeros

The equation: f(x)=-13x^10-11x^8-7x^6-7My question is I found and I believe that it is correct that there are 0 negative and/or positive roots, as I see from graphing, but I cannot tell how many... more

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