05/05/21

Conditional probability
Let events A and B be two events such that 𝑃(𝐴 ∩ 𝐵) = 𝑃(𝐴)𝑃(𝐵) 𝑤𝑖𝑡ℎ 𝑃(𝐵) ≠ 0. What is the relation between events A and B? Show that it is also the case that 𝑃( 𝐴/𝐵) = 𝑃(𝐴).
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05/05/21

What is the probability of drawing an ace or a king from a standard deck of cards?
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05/05/21

can some one help with this plz. Thankyou!
Given right triangle ABC with altitude {BD} drawn to hypotenuse {AC} . If AC=20AC=20 and DC=18,DC=18, what is the length of {BC} in simplest radical form?
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05/05/21

CTP: The height of a triangle is 4 more than its base. If the area of the triangle is 96 square centimeters, find the base and height of this triangle.

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05/04/21

business statistics
Suppose that a Covid-19 testing centre receives two phones calls, on average, per minute concerning test results. Required: a) What are the conditions for this experiment to be considered a Poisson... more
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05/04/21

Please help with this!!

Given that you pull a pair of Jack’s from a deck of cards without replacement, what is the probability that exactly 1 of them is are red?
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05/04/21

In rhombus PQRS shown below, T lies on PQ such that RT is perpendicular to PQ. Diagonal QS intersects RT at W. If the measure of P =118 then find the measure of TWQ. Show how you found your answer
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05/04/21

question below !
What is the probability you pull a King from a standard deck of cards given that 8 cards have already been pulled and 3 of them are Kings (without replacement)
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05/04/21

Confidence Intervals

Suppose, after looking at some sample data, we find (26,48) for our 95% confidence interval estimate for a population mean μ.For this set of data, the point estimate for the mean is?The margin of... more
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05/04/21

Juan draws a red card from an ordinary deck as the first card for a game of Gin Rummy. What is the probability that the card was a king? Write your answer in exact simplified form.
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05/04/21

permutation Question help

1.question:if no digit can be repeated, how many numbers can be made fromthe digits 2, 3,4,&5 ?(would it be 3,628,800?)
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05/04/21

five apples and four oranges cost $11.80. one apple and six oranges cost $9.90. how much does one orange cost?
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05/04/21

A small airplane climbs at an angle of 18 degrees with the ground. Find the horizontal distance it has flown when it has reached an altitude of 800 m. (Round to the nearest whole number.)
Please explain step by step
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05/04/21

A guy wire reaches from the top of a 120 meter television transmitter tower to the ground. The wire makes a 63 degree angle with the ground. Find the length of the guy wire to the nearest tenth.
Please explain step by step
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05/04/21

You are flying a kite and have let out 80 m of string. The angle of elevation with the ground is 40 degrees. If the string is stretched straight, how high is the kite above the ground?

Please show step by step
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05/04/21

Question asked below

Given that you pull a pair of Ace’s from a deck of cards without replacement, what is the probability that exactly 1 of them is a club?
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05/04/21

Find the probability.
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05/04/21

What is the probability
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05/04/21

What is the probability
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05/04/21

Which is the closest probability.
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05/04/21

Determine the mean and standard deviation of the population.
The mean of the sampling distribution of the sample mean is 100. If the population is normally distributed with a variance of 215, determine the mean and standard deviation of the population.
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05/04/21

Question asked below

Using a standard deck of cards, find the probability I pull a card between 4 and 8 (inclusive
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05/03/21

Permutations Problem

How many ways are there to seat 5 adults and 6 children in a row of chairs so that no kids sit together?Explain please with steps for a better understanding!
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05/03/21

What is the most suitable statistical test for nominal and ordinal data?
I have nominal data (American, Non-American) and ordinal data (5 Likert scale, the obstacles employees might face at work). I would like to know if non-American faces more obstacles at the... more
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05/03/21

Mean is 80 standard deviation is 3 what percentage of scores would fall between 78 and 83
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