04/03/24

What is an equation of the line that passes through the (-6,8) (3,-4)
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04/02/24

How do you multiply, divide and reduce fractions?
3/4 X 5/62/7 ÷ 5/14
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03/29/24

Standard Normal Probabilities Extremes

Hello! I need help understanding how to find the answer using the table. I am currently in college level Elementary statistics. Determine the value of z* such that satisfies the conditions below.... more
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03/23/24

Help with number 5
Given the two independent samples below, conduct a hypothesis test for the desired scenario. Assume all populations are approximately normally distributed. Sample 1 Sample... more
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03/23/24

Help on number 4
Given the two independent samples below, conduct a hypothesis test for the desired scenario. Assume all populations are approximately normally distributed. Sample 1 Sample... more
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03/23/24

Help on number 2
A student at a four-year college claims that mean enrollment at four-year colleges is higher than at two-year colleges in the United States. Two surveys are conducted. Of the 35 four-year colleges... more
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03/23/24

Please help on number 4

Sample 1 Sample 2   124   137   28.6   24.9  4.8  5    Test the claim:Given the null and alternative hypotheses below, conduct a hypothesis test for .: :  Given the alternative hypothesis,... more
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03/21/24

Please Help me Solve This Statistics Problem
Conduct a two-sample t-test to determine if college freshman and seniors have a significantly different number of speeding tickets. Using the data below, counduct a two-sample t-test. Show your... more
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03/21/24

Will Someone Please Help Me With This Statistics Problem?
Conduct a two-sample t-test to determine if college freshman and seniors have a significantly different number of speeding tickets. Using the data below, counduct a two-sample t-test. Freshman: 2,... more
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03/20/24

Confident interval estimate

A clinical trial was conducted to test the effectiveness of a drug used for treating insomnia in older subjects. After treatment with the​ drug, 1111 subjects had a mean wake time of 95.795.7 min... more
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03/20/24

Statistical test for percentages values with different denominators !!!
Hello, What statistical test can you do with percentage values that do not have the same sample size (do not have the same denominator). For example : 43/53, 21/30, 11/24 would be 81% , 70% , 46%... more
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03/19/24

Statistics i need help
Driver Intoxicated Pedestrian Intoxicated Yes yes no 41 80 275 589 above the 80 No is in that box. If two different pedestrian deaths are randomly selected, find the probability that they... more
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03/18/24

The first three terms of a sequence are given. Write your answer as a decimal or whole number. Round to the nearest thousandth (if necessary). 12,18,27. Find the 8th term
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Expert Answers •3

03/18/24

help solving it
Heights of 10 year old children, regardless of sex, closely follow a normal distribution with mean 56 inches and standard deviation 5.2 inches. Round answers to 4 decimal places. a) What is the... more
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03/18/24

help solving it
The following table represents food purchase amounts and whether the customer used cash or a credit/debit card. One customer is chosen at random. Give your answer as a decimal out to at least 4... more
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03/18/24

Help solving it
For a standard normal distribution, find:P(0.55 < z < 1.6) 
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03/17/24

Help Solving it
Find each of the following probabilities if the probability that Aramark stock (event A) rises is 46.4%, and the probability that the Best Buy stock rises (event B) is 34.5%. Write each answer as a... more
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03/17/24

Help Solving it
Find each of the following probabilities if the probability that Aramark stock (event A) rises is 46.4%, and the probability that the Best Buy stock rises (event B) is 34.5%. Write each answer as a... more
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03/17/24

Help Solving it
The following table represents undergraduate students at a local university. One student is chosen at random. Give your answer as a decimal out to at least 4... more
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03/08/24

Will someone please help me with this statistics problem?
For each of the situations below, chose the correct test, and then use the data to conduuct your chosen test. Afterward, explain why it was the appropriate test and what the results were. Also,... more
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03/08/24

A person going to a party was asked to bring 4 different bags of chips. Going to the store, she finds 12 varieties.
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03/08/24

What is the slope of the line?
What is the slope?Graph here:https://ibb.co/fMrGq0k
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03/06/24

Will Someone Please Help Me With This Statistics Problem.

Consider the following: Analysis of national data have suggested that the adult population uses social media an average of 2.4 hours per day, with a standard deviation of 1.4 hours. The sample mean... more
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03/05/24

A distribution of values is normal with a mean of 36.2 and a standard deviation of 51.7. Find P89

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03/05/24

Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence interval for a sample of size 223 with 43% successes.
Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence interval for a sample of size 223 with 43% successes. Enter your answer as a tri-linear inequality... more
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