8,918 Answered Questions for the topic statistics
03/09/22
Probability of winning
If I purchase 10 lottery tickets, with 44,020 prizes to be won and 1,100,000 total tickets sold, what are my odds of winning?
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03/09/22
I don’t understand how to calculate a and get the standard deviation for b, the mean for c and e, and don’t get f
The distribution of actual weights of wedges of cheddar cheese produced at a dairy is normal with a mean of 9.1 ounces and a standard deviation of 0.2 ounces. (Round to 2 decimal places for all...
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03/09/22
What method/ process should I use in order to solve this? It’s due in one day.
Large adult population has a mean IQ of 113, standard deviation of 25. Suppose 40 are randomly selected for a market research campaign.(z-values (2 decimal places) and rest of the answers to 4...
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03/09/22
I don’t understand how to do this question.
At a particular University, students’ grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of 63 and a standard deviation of 18. (Round to 2 decimal...
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Statistics
03/09/22
Find the probability of “x” successes given the probability of “P” success on a given trial.
A) n=3 x=0 P=0.05 B)n=4 X=3 P=.30 C)n=5 x=2 P=.25
Statistics
03/09/22
If the following data is given, find the mean of this data. Round the answer to the 2 decimal places.
12, 35, 51, -11, 23, 42, 60, -19, 27, 0
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Statistics
03/09/22
n inspector must select 4 tests to perform in a certain order on a manufactured part. He has a choice of 6 tests. How many ways can he perform 4 different tests?
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03/09/22
A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?
A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?a.0.89b.1.29c.3.90d.2.20
A function g (x) = 3x^2-5x+4 has graph passing through point P = (a,b) where the line tangent to y = g (x) has slope 12 at point P: Use calculus to find the exact value of a.
A function g (x) = 3x2 - 5x + 4 has graph passing through point P = (a,b) where the line tangent to y = g (x) has slope 12 at point P: Use calculus to find the exact value of a.
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Statistics
03/08/22
thermometer reading
A certain company manufactures precision thermometers that are supposed to give readings of 0.00° C at the freezing point of water. Tests on a large sample of these thermometers reveal that some...
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03/08/22
The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a...
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Statistics Probability
03/07/22
Calculate the probability of not rolling a 2. (Express your answer as a decimal rounded to the nearest ten-thousandth.)
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Statistics
03/07/22
The mean score on the SAT
The mean score on the SAT is 1014 with a standard deviation of 115. The ACT has a mean score of 21 and a standard deviation of 5. If Luciano, score a 1240 on the SAT and a 30 on the ACT, find his z...
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03/07/22
You plan to open a new pizza restaurant and found out the data for a similar restaurant which is presented below.
You plan to open a new pizza restaurant and found out the data for a similar restaurant which is presented below.amount - percentage$40000 - 10% loss$0 - 35%$40000 - 45% profit$200000 - 10%...
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03/07/22
The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a...
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Statistics
03/06/22
statistics probability
The Real Estate Group NY reports that the mean monthly rent for a one-bedroom apartment without a doorman in Manhattan is $2552. Assume the standard deviation is $531. A real estate firm samples...
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Statistics
03/06/22
statistics probability
A manufacturer knows that their items have a normally distributed length, with a mean of 5.4 inches, and standard deviation of 0.9 inches.If 25 items are chosen at random, what is the probability...
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Statistics
03/06/22
Math homework help
The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a...
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Statistics
03/06/22
The life expectancy of a particular brand of tire is normally distributed...
The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles.Refer to Exhibit 6-6. What is the probability that a randomly...
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Statistics
03/06/22
Excel's NORM.S.DIST function can be used to compute
a. cumulative probabilities for a normally distributed x value
b. the normally distributed x value given a cumulative probabilityc. the standard normal z value given a cumulative probabilityd....
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Statistics
03/06/22
How do I solve for proportion and Interest?
Because of the relatively high interest rates, most consumers attempt to pay off their credit card bills promptly. However, this is not always possible. An analysis of the amount of interest paid...
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Statistics
03/06/22
How would I solve for probability.
The lifetime of lightbulbs that are advertised to last for 3500 hours are normally distributed with a mean of 3700 hours and a standard deviation of 150 hours. What is the probability that a bulb...
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03/06/22
statistics and probability
After Bank A announced the creation of a new cryptocurrency, EBOCOIN, several analysts began to develop models that aim to explain the evolution of the price of this cryptocurrency over time....
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03/06/22
The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a...
more
03/06/22
The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a...
more
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