06/12/20

A data value is in the 63rd prercentile.

a) Find the standard score that corresponds to the data value.b) State the number of standard deviations that the value lies above or below the mean.
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06/12/20

Cross Products Rule
x y= ---- x+2I am trying to solve for x:x=y(x+2)x= xy+2yxy-x=-2yThis all makes sense to this point and then my book says:x(x-1)=-2yWhere... more
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06/12/20

Is "are" a finite or nonfinite verb?
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06/12/20

Can you please help me with this question? I'm confused.
Mindy’s average monthly salary for the first four months she worked was $300. What must be her average monthly salary for each of the next 8 months so that her average monthly salary for the year... more
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06/12/20

Need help please with this geometry question

Describe one-dimensional, two-dimensional, and three-dimensional parts or aspects of a bottle. In each case, name an appropriate U.S. customary unit for measuring or describing the size of that... more
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06/12/20

Finding probability of number of Outrages

In Islamabad city the mean number of power outages is 4 per month. Find the probability that in a given month, a. There are exactly 3 outages b. There are more than 2 outages.
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06/11/20

stats homework please help
Mike plays basketball and his stats say he has a 82% chance of making any free throw shot. When he gets to shoot more than one free throw his chance of making the second shot increases to 90% if he... more
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06/11/20

. A biology class has 32 students. It is known that there are 18 females in the class and 15 science majors. Of the science majors 40% are female.
Let F=Student is a female and S=Student is a science major.Calculate the following probabilities: (a) 𝑃(𝐹 π‘Žπ‘›π‘‘ 𝑆) (b) 𝑃(𝐹 π‘œπ‘Ÿ 𝑆) (c) 𝑃(𝐹 β€²π‘Žπ‘›π‘‘ 𝑆 β€² )
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06/11/20

The results of students borrowing supplies from the library is summarized as follows: 𝑃(𝐡) = .4 , 𝑃(𝐷) = .3 , 𝑃(𝐷|𝐡) = .5
Let B= student took out a book and let D=student took out a DVDCalculate:(a) 𝑃(𝐡′)(b) 𝑃(𝐡 π‘Žπ‘›π‘‘ 𝐷) (c) 𝑃(𝐡|𝐷) (d) 𝑃(𝐷 π‘Žπ‘›π‘‘ 𝐡′)
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06/11/20

Determine the probability of flipping exactly two heads when a coin is flipped 3 times.

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06/11/20

. Which of the following is not a probability
a.) 3/7 b) .045 c) 3/2 d) 0
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06/11/20

Given P(A)=.75 , P(B)=.4 , and P(A and B)=.2 Find 𝑃(𝐴|𝐡)
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06/11/20

The following table represent the number of dogs per household in a small town. Suppose one household is selected at random. Find the probability of exactly two dogs.
Dogs 0 1 2 3 4 5 Households 1491 425 168 48 29 14
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06/11/20

Given P(A)=.6 , P(B)=.5 , and P(A and B)=.3 Find P(A or B)
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06/11/20

The probability that a person in the United States has A+ blood type is 3/10.

Three unrelated people in the United States are selected at random. Find the probability that all three have A+ blood type
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06/11/20

In triangle ABC, side BC is the average of the other two sides. If cos C = AB/AC , find the numerical value of cos C.
Not sure how to solve this since there are no numerical values given. How would you solve this? Law of cosine?
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06/11/20

You roll a 6 sided die what is p(odd) write your answer as a percentage

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06/11/20

math help please!
Find the area of the circles. Use 3.14 for . Show ALL WORK!
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06/10/20

admission to a baseball game is $2.00 for general admission and $3.50 for reserved seats. the receipts were $2716.00 for 1139 paid admissions. how many of each ticket were sold?
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06/10/20

The physical plant at the main campus of a large state university receives daily requests to replace florescent light-bulbs.
The distribution of the number of daily requests is bell-shaped and has a mean of 54 and a standard deviation of 6. Using the 68-95-99.7 rule, what is the approximate percentage of lightbulb... more
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06/10/20

Very confused Geometry: Converting from One Unit of Measurement to Another
One acre is 43,560 square feet. If a square piece of land is 3 acres, then what are the length and width of this piece of land in feet? (Remember that the length and width of a square are the... more
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06/10/20

area/volume geometry

A nylon tent is made of a pyramid on top of a cube. If the front of the tent is 14 feet and the overall height is 20 feet how much nylon is required to make the tent?
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06/10/20

When you flip a biased coin the probability of getting a tail is 0.52. Find the probability of getting a head.

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06/09/20

find the area of the circle use 3.14 for pi
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06/09/20

How do i solve the length of the ladder

a painter is standing on a ladder that is leaning against a building. The angle the ladder makes with the ground is 44 degrees. The height of the building is 80 feet. Draw a picture representing... more
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