11/24/22

100 photons, one after the other, are sent to a photon detector that has a quantum efficiency of 0.1. How many times will the detector detect photons
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11/19/22

Statistics questions

The acme company manufactures widgets. The distribution of a widget weights is bell shaped. The widget weights have a mean of 45 ounces and a standard deviation of 4 ounces.
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11/15/22

Does the equation y = 2.291e−0.651^t represent continuous growth, continuous decay, or neither? Explain.
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11/10/22

Find and interpret the lower quartile and upper quartile of the mental development index.
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11/08/22

You have a sample mean of 41.5, a population mean of 125 and sample size of 16.find the 95 confidence interval

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11/08/22

Solve the equation 6 - 6x = 5x - 9x - 2
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11/07/22

Algebra Mathematics

find two consecutive odd integers such that 86 more than the lesser is five times the greater
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11/06/22

DESCRIPTIVE STATISTICS

The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 35 liters, and a standard deviation of 11.3 liters.A) What is the probability that daily production... more
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11/06/22

DESCRIPTIVE STATISTICS

n the country of the United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 55.1 inches, and a standard deviation of... more
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11/06/22

DESCRIPTIVE STATISTICS

A particular fruit's weights are normally distributed, with a mean of 637 grams and a standard deviation of 5 grams.If you pick one fruit randomly, what is the probability that it will weigh... more
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11/04/22

Solving Problems Involving Coins
Ashton has $3.75 in quarters and nickles in her car. The number of nickles is three more than the number of quarters. How many of each type of coin does she have?
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11/04/22

If you want to earn 4% annual simple interest on an investment, how much should you pay for a note that will be worth 13500 in 10 months
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11/03/22

Probability and statistics question
In a given city, 60% of residents read the Morning Paper (event M) and 80% of them read the Evening Paper (event E). If 50% of residents read both Papers, a. What is the probability that a randomly... more
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11/03/22

A projectile is fired upward at an angle of 30˚ with the horizontal from the top of a tower 35 m high above a level ground.

Find the range on the horizontal plane will the ball hit the ground after 25 seconds
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10/31/22

How much would you need to deposit in an account now in order to have $6000 in the account in 15 years? Assume the account earns 6% simple interest. Round your answer to the nearest cent.
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10/30/22

Statistics question
Adult male height is normally distributed with a mean of 69 inches and a standard deviation of 2.29 inches. If an adult male is randomly selected, what is the probability that the adult male has a... more
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10/25/22

write b exponent of 4 times b with a exponent of 2
i need help
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10/25/22

write b exponent of 4 times b with a exponent of 2
i need help
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10/23/22

Beginning algebra
If the Sum of a number and five is double the result is six less than the number
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10/22/22

what is the cubed root of 344
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10/21/22

elementary statistics
For each of the following scenarios, determine whether the Poisson distribution is appropriate as a model for finding probabilities. A manufacturer of Christmas tree light bulbs knows that 3% of... more
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10/17/22

Exponential equation
There are 100,000 people and it increases 15% every year. Write an exponential equation for this information.
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10/14/22

(a) Find the probability of being dealt a "fives over fours" full house (three fives and two fours). (Round your answer to six decimal places.)

(b) Find the number of different types of full houses. (Ignoring suit.) I can't figure out these two questions
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10/13/22

a number x less than 5 is at least 15
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10/13/22

exponential form
log_2401(7)=1/4
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