04/19/22

(a) What is the probability that there is at least 50% red M&Ms in the random sample? (b) What is the probability no more than one-third of the M&Ms in the random sample are red?
51% of the M&Ms in a large bag of M&Ms are red. Suppose you take a random sample of 30 M&Ms from the large bag. (Round your answers to four decimal places.)
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04/18/22

Suppose a jar contains 8 red marbles and 36 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
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04/18/22

Sample Size Calculation
An IQ test is designed so that the mean is 100 and the standard deviation is 15 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of statistics... more
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04/18/22

If it takes 2/3 of an hour to mow 4/5 of a lawn, then how many acres can you mow in an hour?
I need to write an equation for the word problem.
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04/17/22

Could I have an explanation of how to solve this question?
A manufacturing machine has a 5% defect rate.If 9 items are chosen at random, what is the probability that at least one will have a defect?
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04/17/22

Could I get an explanation for this question?

A high school baseball player has a 0.167 batting average. In one game, he gets 9 at bats. What is the probability he will get at least 5 hits in the game?
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04/17/22

a company produces steel rods
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 125.7-cm and a standard deviation of 1.5-cm. For shipment, 6 steel rods are bundled... more
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04/17/22

Could I get this answer and explanation of this question? Thank you.
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 65 ounces and a standard deviation of 4 ounces.Use the Empirical Rule,... more
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04/17/22

Express the confidence interval 342.4 < μ < 536.2 in the form of ¯ x ± M E .
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04/17/22

Engineers must consider the diameters of heads when designing helmets.

Engineers must consider the diameters of heads when designing helmets. The company researchers have determined that the population of potential clientele have head diameters that are normally... more
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04/15/22

Which one has correct hyphenation: "Citizen-Kane-like" or "Citizen Kane-like"?
The second one looks more correct to me, but I just want to be sure.
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04/15/22

Given ⊙G and HJ¯¯¯¯¯¯¯¯ ≅ JK¯¯¯¯¯¯¯¯, what is ?
Given ⊙G and HJ¯¯¯¯¯¯¯¯ ≅ JK¯¯¯¯¯¯¯¯, what is ? A. 36 B. 72 C. 108 D. 144
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04/14/22

please help me in this
Use ⊙Z with VW¯¯¯¯¯¯¯¯¯≅XY¯¯¯¯¯¯¯¯.What is XY? A. 30 B. 35 C. 40 D. 50
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04/14/22

PLEASE EXPLAIN THIS ALSO, REALLY APPRECIATE IT.
In ⊙L, what is? A. 62 B. 67 C. 70 D. 73
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04/14/22

could you help me with this problem?
You are getting ready to remodel your kitchen and have narrowed down your choices to the following:For the walls, you can choose from teal, tan, blue or navy. For the trim, you can choose white or... more
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04/14/22

PLEASE TELL ME THIS
In ⊙L, what is m∠MNP? A. 73 B. 107 C. 110 D. 146
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04/14/22

STUCK IN THIS. NEED HELP
Given ⊙G and HJ¯¯¯¯¯¯¯¯ ≅ JK¯¯¯¯¯¯¯¯, what is ? A. 36 B. 72 C. 108 D. 144 A. 36 B. 72 C. 108 D. 144
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04/14/22

HEY COULD ANY ONE TELL HOW TO DO
For P, which is an expression for z in terms of w, x, and y? A. w/xy B. x/xy C. wy/x D. xy/w
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04/13/22

Quantitative and Reasoning

A fair coin is tossed 5 times. Compute the probability of tossing 5 heads in a row.
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04/13/22

A population of values has a normal distribution with μ = 42.1 and σ = 84.5 .
Find the probability that a single randomly selected value is between 30 and 58.4. Round your answer to four decimal places.P(30<X<58.4)=    Find the probability that a randomly selected... more
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04/13/22

A population of values has a normal distribution with μ = 217.4 and σ = 40.9 .
Find the probability that a single randomly selected value is greater than 221.2. Round your answer to four decimal places. P(X>221.2)=  Find the probability that a randomly selected sample of... more
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04/13/22

Business statistics
Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is mean = 133.7  and the standard deviation is = 0.7.a. Construct... more
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04/13/22

Interpret Probability
According to a certain airline, flights on a certain route are on time 85% of the time. Suppose 17 flights are randomly selected and the number of on-time flights is recorded. Find and interpret... more
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04/12/22

Suppose you calculate a 99% confidence interval of 13.05 to 21.64. Determine the margin of error.
Suppose you calculate a 99% confidence interval of 13.05 to 21.64. Determine the margin of error.
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04/12/22

Enter an exact number as an integer, fraction, or decimal. P(19 < x < 35)
Births are approximately uniformly distributed between the 52 weeks of the year. They can be said to follow a uniform distribution from one to 53 (spread of 52 weeks).
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