07/25/20

What’s the probability of drawing a blue, then black sock; what’s the probability of drawing a black sock then blue sock?
Probability of drawing socks from a drawer of 8 black socks, 6 blue & 4 white without replacement .
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07/25/20

How to answer in a correct methodology

The speed of vehicles passing through the construction zone are normally distributed with a population mean of 46 miles per hour and a standard deviation of 4 miles per hour. What is the... more
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07/23/20

Geometry question. I think I got the answer, but I don’t know if it’s correct.
A cylindrical hole has been drilled through the center of a regular pentagonal prism. The base edge of the pentagon is 18 cm, the height of the prism is 16 cm and the radius of the hole is 2 cm.... more
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07/22/20

Geometry question
Given the total surface area of a cube is 294 cm2, determine the volume of the cube.
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07/19/20

The price of a gallon of unleaded gas has dropped to $2.80 today. Yesterday's price was $2.85. Find the percentage decrease. Round your answer to the nearest tenth of a percent
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07/19/20

The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 5 to 6. If there were 8107 total votes, how many no votes were there?
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07/19/20

what are the chances
there are 10 numbers, 1 through 10. Each has a 1 in 10 chance of randomly being selected. What are the chances that one number like 1 is not picked in 23 tries. What is the formula as the number of... more
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07/19/20

Finite Math: Probability
Wonder Widgets Inc. has 3 plants producing their De-lux Wonder Widget (DWW). Plant A produces 80% of all DWW, plant B 15%, and plant C the remaining 5%. 7% of Plant A’s production is defective, 6%... more
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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

Probability: Combinations
A club consists of 15 women and 10 men. They need to form a committee of 5 people. (a) How many different committees can be formed? (b) How many different committees consisting of 3 women and 2 men... more
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07/19/20

word problem for algebra
Two cars leave an intersection. One car travels north: the other east. When the car traveling north had gone 15 miles, the distance between the cars was 5 miles more than the distance traveled by... more
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07/19/20

The product of two consecutive integers is 5 more than their sum. Find the integers.
The product of two consecutive integers is 5 more than their sum. Find the integers.
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07/18/20

PROBABILITY; INDEPENDENT
Calculate the probability for the following situation, then select the correct answer:You are tossing a coin, then rolling a die, then drawing a card from a deck of cards. What is the probability... more
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07/18/20

You are given that sin(A)=−13/85, with A in Quadrant III, and cos(B)=56/65, with B in Quadrant I. Find sin(A+B). Give your answer as a fraction.
give answer as a fraction
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07/17/20

Statistics and Probability
Given below are the number of successes and sample size for a simple random sample from a population.x = 12​, n = 40​, 90​% levela. Determine the sample proportion.b. Decide whether using the​... more
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07/17/20

three increased by 6 times a number
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07/16/20

How many different breakfasts can you have at the local diner?
How many different breakfasts can you have at the local diner if you can select 3 different egg dishes (scrambled, fried, poached), 4 choices of meat (steak, ham, bacon, sausage), 5 breads (white,... more
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07/16/20

Finding Sample size
 Find the sample size used if a 95% confidence interval reports a ‘margin of error’ of 2.5% if you think those reporting the result used an estimate for p from their survey results of .46
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07/16/20

Figuring out Sample Size
Find the sample size needed if a 98% confidence interval has a ‘margin of error’ of 4% if …  You feel safe using an estimate for p of .13 You are going to play it as safe as possible and use p of .50 more
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07/16/20

Odds with Probability

A card is drawn randomly from a standard 52-card deck. Find the following: Write all answers as simplified fractions (not mixed numbers):Probability the card drawn is a face cardProbability the... more
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07/15/20

The figure below is a rhombus Find the measure of angle 1.
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07/15/20

Need help with a Pre-Statistics question
If a father’s height is 1.9 standard deviations greater than his son’s, how much larger is his height’s z-score than his son’s?
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07/15/20

A shipment of 9 1/6 tons of sugar is separated into containers of equal size Of the shipment fills 5 containers, how much sugar can one container hold?
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07/15/20

How to solve area of rhombus given one diagonal and an angle?
Given PATS is a rhombus where diagonal PT = 6 cm and angle SPA=138. Determine the area of PATS .
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