08/14/20

Card probability
find the probability of selecting two 10s when two cards are drawn without replacement from a standard deck of cards
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08/14/20

Find x question URGET
Find y when x=20 if y varies directly as x, and y=37 when x=10
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08/14/20

kite problem, find the height
A kite with a 225- foot string makes a 52 degree angle with the ground. what is the height of the kite above the ground to the nearest foot
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08/14/20

Please help me with this math problem

Find the 9th term of (x-2y)^(10)
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08/14/20

Statistics Question
USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose Chevrolet did a study of a random sample... more
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08/14/20

Trying to distribute items fairly
I'm running a business where I will eventually distribute 130 collectibles (some are worth more than others) to 130 winners. At the moment, I only have 40 winners, but I don't want to wait for all... more
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08/14/20

Random Sample Hypothesis

Using your class as the randomsample size, mean is 2323 standard deviation is 92.480.01 significance level, is it reasonable to say female graduates expectedmean salary is less than $2,400? with... more
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08/13/20

statistics question
The Student's t distribution table gives critical values for the Student's t distribution. Use an appropriate d.f. as the row header. For a right-tailed test, the column header is the value... more
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08/13/20

Range Question!
70 students took an exam. the mean score on the exam is 75.5 and the standard deviation is 2.6 what percent of the scores are in the 72.9 and 83.3 range?
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08/13/20

How fast can they do a job
Ken can paint in 12 hours, Dwayne can paint in 16 hours how fast can they paint together?
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08/13/20

Height of a tree
A tree shadow casts a shadow that is 53 ft long when the angle of elevation of the sun is 27. Find the height of the tree.
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08/13/20

I've tried this and I'm really confused and I wanted to see if I got the right answer

The question was: Write an equation of a line passing through (2,5) that is parallel to y = 3x +1The answer I got was:y + 2 = 3(x + 5) which is the same as y = 3x + 13
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08/13/20

the sum of two is 4 and their difference is 0
Whats the answer to this?
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08/13/20

Confidence intervals 2.0
A publishing company wanted to test whether typing speed differs when using word processor A or word processor B. A random sample of 25 typists was selected and the typing speeds (in words per... more
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08/13/20

Confidence intervals!!!
A publishing company wanted to test whether typing speed differs when using word processor A or word processor B. A random sample of 25 typists was selected and the typing speeds (in words per... more
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08/13/20

Challenging Prob/Stats questions I am stuck on
Q1: A history pop quiz has one question in which students are asked to arrange the following presidents in chronological order: Hayes, Taft, Polk, Taylor, Grant, and Pierce.After carefully reading... more
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08/12/20

Whats the algebraic expression of the difference of three time the number x and seven
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08/12/20

Which is a point on the circle whose center is (0, 0) and whose radius is 5?
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08/12/20

I'm Having Trouble with this Coin Problem! Thanks!
A coin collector had a collection of 900 silver coins worth $205. There were five times as many quarters as half-dollars. If the rest of the coins were dimes, how many of each kind of coin did the... more
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08/12/20

*Find the value of t for 10 degrees of freedom and a 90% confidence level. ________
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08/12/20

16. Find the value of t for a sample size of 22 and a confidence level of 95%. ________
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08/09/20

homework help Stats
The probability of wining a certain game is .2Find 𝑃( Win exactly one time)Find 𝑃( Win at least one time)
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08/09/20

Question Help Statistic

 Suppose 𝑃 𝐴 = .7,𝑃 𝐵 = .3,𝐴&𝐵 are 𝐼.𝐸.(a) Find 𝑃(𝐴 𝑎𝑛𝑑 𝐵)(b) Find 𝑃(𝐴 𝑜𝑟 𝐵)(c) Make a venn diagram.(d) Find 𝑃(𝐴/𝐵) =(e) Find 𝑃(𝐵/𝐴) =
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08/09/20

Central limit theorem question
Assume that height of 300 soldiers in army battlaion is normally distributed with mean 68 inches and std dev of 3. If 80 samples consisting of 25 soldiers each are taken what would be the mean ane... more
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08/08/20

help me please i need
A golf course charges $17 for a package including the full 18-hole course. The course also sells buckets of golf balls for $22 each. The golf course would like to earn $619 by the end of the day. ... more
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