11/10/23

What is the test statistic and p-value?
The mean number of English courses taken in a two–year time period by American and international college students is believed to be different. An experiment is conducted and data are collected and... more
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11/10/23

What is the test statistic and p-value?
Test the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats at the 0.01 significance level. Use pooling. The null and alternative... more
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11/10/23

Find an nth-degree polynomial function with real coefficients, a leading coefficient of 1, and satisfying the given conditions n = 4; - 3, 5 and 4 + 3 are zeros
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11/09/23

Business statistics

Test the claim that the proportion of people who own cats is larger than 40% at the 0.10 significance level.The null and alternative hypothesis would... more
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11/09/23

Business statistics

You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005.      Ho:μ=55.5Ho:μ=55.5       Ha:μ≠55.5Ha:μ≠55.5You believe the population is normally distributed, but you do... more
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11/09/23

Statistics Problem
A certain newspaper provides the net asset value, the year-to-date percent return, and the three-year percent return for 882 mutual funds at the end of 2017. Assume that a simple random sample of... more
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11/09/23

Statistics Problem
Barron's reported that the average number of weeks an individual is unemployed is 18.5 weeks. Assume that for the population of all unemployed individuals the population mean length of unemployment... more
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11/09/23

Statistics problem
An air transport association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50... more
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11/08/23

Business statistics

Trydint" bubble-gum company claims that 9 out of 10 people prefer their gum to "Eklypse". Test their claim at the 95 confidence level.The null and alternative hypothesis in symbols would... more
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11/08/23

need help with math it is in the Arithmetic Sequences math
i have an equation it is a_n=5(n-1)+19 i need to find the 18th term of this equation please help i need the steps and answer.
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11/08/23

Ups and downs Problem

Angie got on the elevator 3 floors above the ground floor and rode up 4 floors. She got off there, got on again and rode down to the ground floor. She forgot her umbrella and returned to the... more
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11/05/23

Statistics Help
A distribution of values is normal with a mean of 240 and a standard deviation of 3.Find the interval containing the middle-most 36% of scores: Enter your answer using interval notation. Example:... more
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11/05/23

STATS HELP PLEASE
E is the only one i am struggling with. How can I do it and please make it simple for me to understand. ThanksA dishwasher has a mean lifetime of 15 years with an estimated standard deviation of 3... more
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11/05/23

Business statistics

If n=24, x¯(x-bar)=40, and s=8, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population.Give your answers to one decimal... more
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11/04/23

business statistics

Out of 200 people sampled, 136 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids.Give your answers as decimals, to three... more
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11/03/23

statistics and probability
Assume that X has a normal distribution with the specified mean and standard deviation. mean=6; standard deviation=0.2 Find the 62nd percentile, that is the cutoff value of the bottom 62%. Round... more
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11/03/23

Write an equation in slope-intercept form of the line that passes through (0, 3) and (4, 2).
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11/02/23

When purchasing bulk orders of​ batteries
When purchasing bulk orders of​ batteries, a toy manufacturer uses this acceptance sampling​ plan: Randomly select and test 42 batteries and determine whether each is within specifications. The... more
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11/02/23

Assume that when human resources

Assume that when human resource managers are randomly​ selected, 43​% say job applicants should follow up within two weeks. If 6 human resource managers are randomly​ selected, find the probability... more
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11/02/23

Adding Fractions

How do you add fractions with unlike denominators?
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11/02/23

Adding Fractions

How do you add fractions with common denominators?
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11/02/23

Dividing Fractions

How do you solve a problem dividing fractions?
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11/02/23

Linear Functions & Models
Kara's Custom Tees experienced fixed costs of ​$500 and variable costs of ​$5 a shirt. Write an equation that can be used to determine the total expenses encountered by​ Kara's Custom Tees. Let x... more
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11/01/23

business statistics

A political candidate has asked you to conduct a poll to determine what percentage of people support her.If the candidate only wants a 4% margin of error at a 90% confidence level, what size of... more
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11/01/23

Business statistics

Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. They randomly survey 407 drivers and find that 307 claim to always... more
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