01/21/24

If $642 is budgeted for next week, what is the probability that the actual costs will exceed the budgeted amount? (Round your answer to four decimal places.)
The amount of money spent weekly on cleaning, maintenance, and repairs at a large restaurant was observed over a long period of time to be approximately normally distributed, with mean 𝜇 = $605 and... more
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01/20/24

Identify the 5 number summary

Here is a set of sample data. 12 35 66 44 43 78 52 93 90 92 68 46 19 61 28 95 98 5 59 37 70 4 24 40 Base on the data above, identify the 5 number summary Correct, Incorrect, Correct, Incorrect,  more
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01/18/24

Evaluate the expression. (x^-4)^3/8/(√x)^3 * (√x)^0
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01/18/24

trains travling
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at a rate of 65 miles per hour. The westbound train travels at a rate of 85 miles per... more
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01/14/24

Answer the following.
answer the following. (a) An astronomer's infrared telescope is able to detect radiation with a wavelength of ×7.6810−5 meters.   Write this number in standard notation. (b) The diameter of Mars... more
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01/12/24

Only about 11% of all people can wiggle their ears. Is this % different for millionaires? Of the 303 millionaires surveyed, 18 could wiggle their ears.

What can be concluded at the = 0.10 level of significance? Please just find the test statistic (z), and what p-value is.
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01/11/24

You would like to be 99% confident that you estimate is within 4% of the true population proportion. How large of a sample size is required?
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion.
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01/11/24

Is purple prose a good form a writing? If so, why?
When it comes to writing, there are many unique styles that have come from a wide array of authors and novelists, spanning across countless centuries. Whether it be the free indirect style of Jane... more
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01/10/24

Translating expressions equations, & inequalities

Four times the difference of a number and 7 is 32
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01/09/24

Sampling inquiry for thesis
Hi!I have a mixed-method thesis ongoing and I plan collecting data on my own college (namely college X), specifically from students and faculty members on my department. Evidently, that would be... more
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01/03/24

Data set, Chebyshev's Theorem
Consider a data set that has a mean of 18.1 and a standard deviation of 6.4. According to Chebyshev's Theorem, give an interval that has at least 88.9% of the data.__________ to ____________
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01/03/24

What percentage of the data is withing 2.5 standard deviations of the mean?
I know what 1, 2, and 3 is, but I have scoured far and wide and not found 2.5.
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12/26/23

what are all the statistical tests i can do for such data?
i did an experiment testing out the inhibitory effect of 3 oils on a strain of bacteria to investigate their effectiveness. what are all the statistical tests i can run on the data now? i also did... more
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12/21/23

I need help with the graph and everything else tbh...
To introduce his class to binomial distributions, Mr. Miller does the "Popquiz" activity at the beginning of this section (page 431). Each student in theclass guesses an answer from A through E on... more
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12/21/23

Five teachers at Springfield Elementary School are randomly selected without replacement, and the number of years they taught at the school is recorded
Not binomial; there is not a fixed number of trials Not binomial; there are more than two outcomes for each trial Not binomial; the trials are not independent Not binomial; for more than one of... more
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12/21/23

About 6% of the population has a particular genetic mutation. 400 people are randomly selected. Find the standard deviation for the number of people with the genetic mutation in such groups of 400.
Please help
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12/19/23

Algebra 2 Word Problem
an employee a local stadium is launching T-shirts from a T-shirt canon into the crowded during the intermission of the football game the height h in feet of the T-shirt after t seconds, can be... more
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12/15/23

The television show Degenerate Housewives has been successful for many years.

That show recently had a share of 18, meaning that among the TV sets in use, 18% were tuned to Degenerate Housewives. Assume that an advertiser wants to verify that 18% share value by conducting... more
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12/12/23

The amounts of nicotine in a certain brand of cigarette are normally distributed

with a mean of 0.896 g and a standard deviation of 0.329 g. The company that produces these cigarettes claims that it has now reduced the amount of nicotine. The supporting evidence consists of a... more
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12/11/23

You are studying two species of wasp. You are interested in the sterile, worker wasps.

You are studying two species of wasp. You are interested in the sterile, worker wasps. You record the lifespan (in days) of a random sample of wasps from each population.Population 1:... more
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12/11/23

The grade point average of four randomly selected college students is recorded at the end of the fall and spring semesters of their senior year, as follows:
Student 1 2 3 4 Fall   1.3    2.2     1.9     2.1   Spring  1.1 1.3 1.2 1.8 Construct a 90% confidence interval for the mean difference in GPA. Round your answers to three decimal places,... more
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12/09/23

Business statistics

Based on the data shown below, calculate the regression line (each value to two decimal places)y = _____ x... more
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12/08/23

I NEED HELP ASAP PLEASE
Let f(t) represent the temperature of a turkey baking in an oven as a function of time (t) in the oven (in minutes). This means time (t) is the independent variable and temperature of the turkey... more
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12/08/23

For a confidence level of 98% with a sample size of 18, find the critical t value.
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12/08/23

In a sample of 280 adults, 160 had children. Construct a 95% confidence interval for the true population proportion of adults with children. Give your answers as decimals, to three places
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