06/22/21

You are conducting a study to see if the accuracy rate for fingerprint identification is significantly less
You are conducting a study to see if the accuracy rate for fingerprint identification is significantly less than 57%. With H1 : p <57% you obtain a test statistic of z=−2.698z=-2.698. Find the... more
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06/21/21

the length and width of the sandbox

a rectangular sandbox is surrounded on all sides by a strip of grass that is 4 feet wide on all sides. the length of the sandbox is 2 feet more than width, and the total area for the sandbox and... more
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06/21/21

Find the critical values.
An MP claims that the average number of acres in his province’s State Parks is less than 2000 acres.A random sample of five parks is selected and the number of acres is shown below:959, 1187, 493,... more
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06/21/21

Find the probability.
Two balls are drawn in succession without replacement from an urn containing 4 red balls and 3 black balls. Find the probability distribution of the number of black balls.
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06/21/21

Find the sample space and probability
A couple has three children.i) Find the sample space for this experiment.ii) Find the probability of getting at least one child of each gender.
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06/20/21

How would you solve this?

Find the domain of f. Enter your answer using interval notation.) f(x) = (x - 4)/(sqrt(x - 3))
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06/18/21

A function is given algebraically by the formula f(x) = (x − 2)2 + 1
A function is given algebraically by the formula f(x) = (x − 2)2 + 1. Complete these other ways to represent f:(a) Verbal: "Subtract 2, then  ---Select--- take the square root of the result add... more
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06/18/21

(b) For the functions from part (a) that do have 3 in their domain, find the value of the function at 3. (If 3 is not in the domain, enter UNDEFINED.)
(a) Which of the following functions have 3 in their domain? (Select all that apply.) h(x) =  x − 6 f(x) = x2 − 3x g(x) = x − 3 x  (b) For the functions from part (a) that do have 3 in their... more
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06/18/21

For a function of p
For a function p, the set of all possible inputs is called the  ---Select--- independent variable dependent variable  domain value range of p, and the set of all possible outputs is called... more
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06/18/21

Algebra 2 help plz explain

find the number that is 4/5 of the way from 17 to13
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06/18/21

Express the confidence interval 
Express the confidence interval 60.1%±3.8%60.1%±3.8% in interval form.
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06/18/21

Find the margin of error at a 95% confidence level.
In a survey, 16 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $46 and standard deviation of $8. Find the margin of... more
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06/18/21

Rules of Probability Investments and 401k
In a survey of 200 employees of a company regarding their 401(k) investments, the following data were obtained. 134 had investments in stock funds. 102 had investments in bond funds. 57 had... more
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06/18/21

Do secant and cosecant graphs have maximum or minimum values?

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06/17/21

Statistics and statistics
Round answers to relative frequency and probability problems to four decimal places. Once again, your answers should be your own and NOT mine.You decide to play a little game.  Someone with a lot a... more
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06/16/21

[HELP] Dollar Graph
The table shows the value y (in dollars) of a stock on day t. Use the regression feature on a graphing calculator to find a quadratic model and a cubic model for the... more
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06/16/21

Please answer quick please this is a pretty simple geometry question, i cant understand it

Triangle XYZ was dilated by a scale factor of 2 to create triangle ACB and sin ∠X = Part A: Use complete sentences to explain the special relationship between the trigonometric ratios of triangles... more
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06/16/21

Question in image
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06/16/21

Over a period of 20 years, the population P (in thousands) of a town can be modeled by P = 0.0081t^3 − 0.245t^2 + 2.13t + 95.8 where t is the time (in years).
Over a period of 20 years, the population P (in thousands) of a town can be modeled by P = 0.0081t^3 − 0.245t^2 + 2.13t + 95.8 where t is the time (in years).a. Use a graphing calculator to graph... more
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06/16/21

Question Is written below.

There is a diagram that I can't seem to attach. But this is the question:Two neighbouring houses are located at A and B, near a straight section of a rural road, RD. The electric company plans to... more
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06/16/21

Question in image
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06/16/21

Question in image
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06/16/21

help plz and thankyou
expand (6a+5) ^2 +(6a-5) ^2 =49
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06/16/21

Can someone plz help me with this question plz and thankyou
expand (x-3)^2 + (y+4)^2 = -28 into standard form
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06/15/21

Find the probability that
From a box there are 6 white balls and 4 red balls, then 4 balls are selected, without replacement, at random and transferred to a second box, which is empty.balls are selected at random and... more
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