10/21/23

Probability question
Hello, my question is about probabilities from a game called "Deceit". Here are the premises. 6 players, 2 unknow infected players among them. Each one has therefore 1/3 chance of being infected... more
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10/20/23

The average time between accidents in a factory is 14 weeks. Find the probability that more than 17 weeks pass between accidents.
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10/20/23

Probability word problem
A company estimates that 0.4% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $400.If they offer a 2-year extended... more
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10/19/23

Find the p value and whether or not the null hypothesis will be rejected at a significance level of 0.5 (see description)
A. H0: µ≤60H1:µ>60Test statistic of 2.35B. H0: µ≥42H1: µ<42Test statistic of -1.13C. H0: µ=88H1: µ≠88
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10/16/23

What is your number?
Here are a few possible answers:My favorite number is 7.My lucky number is 13.My phone number is (254)702288830.My number is 42, the answer to the ultimate question of life, the universe, and... more
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10/04/23

What is probabilty of rolling die
When rolling a die 4 times what is the probabilty that you will getA.) 3, 4, 5, 6 in that orderB.) Two even numbers followed by two odd numbers in that order
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10/03/23

I have 30 cups of juice, 8% is apple. How many cups do I need to make it 10% grapefruit

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10/03/23

Average height of adult men
Adult men have an average height of 69.0 inches with a standard deviation of 2.8 inches. Find the height of a man with a z-score of -0.39. Round your answer to one decimal place.
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10/03/23

Find P9 in a normal distribution
A distribution of values is normal with a mean of 45.9 and a standard deviation of 53.5.Find P9, which is the score separating the bottom 9% from the top 91%.Enter your answer as a number accurate... more
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10/03/23

What is the probability
It is known that 65% of high school students study for the exam. What is the probability that 3 students will not study for the exam?
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10/03/23

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.5 years, and standard deviation of 1.6 years.
The 9% of items with the shortest lifespan will last less than how many years?Give your answer to one decimal place.
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10/02/23

NEW! Question: Click Here
Triangle ABC is mapped to Triangle A′B′C′ by a translation. Which relationship is not true?A. AA′∥BB′B. AB′∥A′BC. BC≅B′C′D. AA′≅CC′
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10/02/23

best predicted weight

Listed below are the overhead widths​ (cm) of seals measured from photographs and weights​ (kg) of the seals. Find the regression​ equation, letting the overhead width be the predictor​ (x)... more
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10/02/23

best predicted weight

Listed below are the overhead widths​ (cm) of seals measured from photographs and weights​ (kg) of the seals. Find the regression​ equation, letting the overhead width be the predictor​ (x)... more
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10/02/23

Question for Geometry
Triangle ABC is mapped to Triangle A′B′C′ by a translation. Which relationship is not true?A. AA′∥BB′B. AB′∥A′BC. BC≅B′C′D. AA′≅CC′
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10/02/23

find the regression equation

Find the regression​ equation, letting the first variable be the predictor​ (x) variable. Using the listed​ lemon/crash data, where lemon imports are in metric tons and the fatality rates are per​... more
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10/02/23

The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 13 days.

In what range would we expect to find the middle 95% of most lengths of pregnancies? Round the answer to one decimal place
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10/02/23

Angle Terminology with Equations
∠1 and angle, 2∠2 are vertical angles. If mangle, 1, equals, left bracket, x, plus, 17, right bracket, degrees∠1=(x+17)∘ and mangle, 2, equals, left bracket, 2, x, minus, 26, right bracket,... more
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10/02/23

Ordinary Differential Equation
The coefficient matrix A = [−1 +2; −2 +3] of the linear system(1) x'(t) = −x(t) +2y(t)(2) y'(t) = −2x(t) +3y(t)has one real eigenvalue λ = 1 of multiplicity two, but the eigenspace Eλ = R⋅(1,1)T... more
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10/02/23

A Geometry Question
In the xy-plane, what will be the coordinates of the point (–6, –5) after a clockwise rotation of 90 degrees about the origin?A. (−6,5)B. (−5,6)C. (6,5)D. (5,-6)
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10/02/23

Geometry Question URGENT!
Which transformation of a figure will create an image that is not congruent to the original figure?A. Dilation by a factor of 7B. Reflection about the line y=xC. Translation by 5 units to the left... more
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10/02/23

If you pick 11 fruits at random, then 7% of the time, their mean weight will be greater than how many grams?
A particular fruit's weights are normally distributed, with a mean of 758 grams and a standard deviation of 14 grams.If you pick 11 fruits at random, then 7% of the time, their mean weight will be... more
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10/02/23

Engineering Economy
Starting seven years from today, a mining company plans to withdraw $300 000 at the beginning of every 3-month interval from its exploration fund to carry out exploration over a 4year period (there... more
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10/01/23

Directions: Prove the following propositions by using the kind of proof indicated in each number. Use outline form for numbers 1 and 2. while paragraph form for numbers 3 and 4
Directions: Prove the following propositions by using the kind of proof indicated in each number. Use outline form for numbers 1 and 2. while paragraph form for numbers 3 and 41. If a is an odd... more
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10/01/23

Statistics; conditional probability

Tests for tuberculosis like all other diagnostic tests are not perfect. QFT-G is one of such tests for tuberculosis. Suppose that for the population of adults that is taking the test, 5% have... more
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