07/21/20

A bag contains 8 white counters, 3 black counters, and 6 green counters. What is the probability of drawing
(a) a white counter or a green counter?(b) a black counter or a green counter?(c) not a green counter?
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07/21/20

What’s the probability of landing a 4 on a spinner & rolling a 6 on a die?
Determine the probability of landing a 4 on a spinner & rolling a 6 on a die
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07/21/20

Find the perimeter of the rectangle.
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07/21/20

Find the area of this shape
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07/20/20

How many 4-character passwords can you make from the letters A, B, C, D, and E if you allow no repetition? In other words, you can have ABCD, but not AABC or ABCA.
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07/20/20

Given the following information: P(A) = 0.58 P(B) = 0.34 P(A and B) = 0.12 P(B given A) = 0.21
What is the probability of A or B? Round your answer to the nearest hundredth as needed  .P(A or B) = 
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07/20/20

A jar contains 5 pennies, 5 nickels and 8 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins.
A. Find the probability X = 10.B. Find the probability X = 11C. Find the expected value of X. 
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07/20/20

A math class consists of 38 students, 24 female and 14 male. Three students are selected at random, one at a time, to participate in a probability experiment (selected in order without replacement).
A. What is the probability that a male is selected, then two females?B. What is the probability that a female is selected, then two males?C. What is the probability that two females are selected,... more
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07/20/20

Testing a Claim about a Proportion
A genetic experiment involving peas yielded one sample of offspring consisting of 427427 green peas and 167167 yellow peas. Use a 0.05 significance level to test the claim that under the... more
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07/20/20

Parabola , finding the discriminant

h(t)=-3 t^(2)+122I am trying to understand discriminant and what they meanIf I plug my numbers into the equationax^2+bx+c=03(3) + 0 - 122 = -113Does that mean my discriminant is 0 because I dont... more
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07/19/20

Find the value of k so the remainder is zero. (x^3-kx^2+2x-4) ÷ (x-2)
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07/19/20

Solving Systems of Equation with row operations
3x - y + 5z = 14 2x + 3y + 4z = 7 x + y + z = 2
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07/19/20

The price of a notebook was $3.45 yesterday. Today, the price rose to $3.95. Find the percentage increase. Round your answer to the nearest tenth of a percent.
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07/19/20

to the nearest cent, for the company to make the maximum profit.y=−x 2 +89x−747
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07/19/20

Rate x Time = Distance Question!
Albany and New York are 150 miles apart. One car left Albany heading for New York averaging 40 km/h. At the same time another car left NY heading for Albany averaging 35 km/h. How far from Albany... more
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07/19/20

The perimeter of a rectangle is 128 inches. Find the dimensions of the rectangle if 12 the length increased by 22, is 9 less than three times the width.
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07/19/20

When Mark counted the money he collected from his paper route he had $9.75 all in quarters and dimes. The ratio of dimes to quarters was 7 : 5. How many coins of each type were there?
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07/19/20

Finite Math: Probability
Assume that 37% of the voting population in the US considers themselves as Democrats. Ten of these voters are selected at random(a) What is the probability that exactly 3 of the 10 selected... more
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07/19/20

Probability: Independent Events
Let A and B be independent events with P(A) = .4 and P(B) = .2. Find P(A ∪ B).
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07/19/20

finding probability with means and standard deviation
Assume that a set of test scores is normally distributed with a mean of 82 and a standard deviation of 9. Find probabilities thata) The score is less than 77.b) The score is greater... more
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07/19/20

When will the height be 443 feet? When will the object reach the ground? 
An object is thrown upward at a speed of 181 feet per second by a machine from a height of 8 feet off the ground. The height h of the object after t seconds can be found using the... more
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07/16/20

Finite Math: Probability & Independence
Last year in Way-up-there Alaska voted for mayor with the following results: Democrat Republican Bull-Moose Party Male 12 22 21 Female 24 13 33 One of these voters is selected at random.(a)... more
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07/14/20

Can you assist with working this out
A bag contains 24 pieces of candy, of which 12 are peppermints and 12 are butterscotch. Let X be the number of peppermints in a sample of 5 pieces of candy selected at random and without... more
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07/07/20

I need help really bad please
1.We want to see if Taiwanese women with unpaid credit card debt have similar card balances as Taiwanese men with unpaid credit card debt. In a matched pair study of credit card debt, 181 women... more
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07/07/20

A certain standardized test has math Scores that are normally distributed with a mean score of 20 and a standard deviation of 3. A random sample of 9 math scores are collected. Find μ_x ̅ .

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