Confidence interval for total amount of receivables
An auditor of a small business has samples 70 of 900 accounts. The sample mean total receivable is $444, and the sample standard deviation is $89. Find a 98% confidence interval for the total amount of receivables.
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A lorry load consists of 16 boxes, randomly chosen. Find the probability that a lorry-load will include at most 2 boxes which are substandard, giving three decimal places in your answer. Ans: 0.043
At the .05 significance level, is there a difference in the number of rounds played by day of the week?
Could you conclude that John Jay Professors live longer than average? Use the appropriate two-tailed test with an a = 0.05. Also, construct a 95% confidence interval. Do the statistical test and the confidence interval agree? Write up your results
A random sample of 20 items from the first population showed a mean of 100 and a standard deviation of 15. A sample of 16 items for the second population showed a mean of 94 and a standard deviation of 8. Find the degrees of freedom for unequal va
Your organization has a goal of 14 days for the average processing of a purchase request from notification to final approval. They are only concerned if it takes longer than 14 days.
Refer to the following computer output and verify that the equation of the line of best fit is y=13.4 + 2.3x and that s? = 10.17 by calculating these values yourself.
An experiment is conducted to examine the effects of ingesting hot dogs, pizza, ice cream, sour milk, and carrot juice in one setting and the time it takes to get the first sign of an upset stomach. What are the independent and dependent variables
Cicadas are flying, plant-eating insects. One particular species, the 13-year cicadas (Magicicada), spemds five juvenile stages in underground burrows. During the 13 years underground, the cicadas grow from approximately the size of a small ant to
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The theoretical foundation of this study draws primarily from Social Learning Theory (Bandura, 1977) and the Toxic Triangle Framework
Met with youth for session, youth described having a rough day in school discussed getting into an argument with peers in her class over gossiping.
This is another response: Children with low birth weight are at increased risk for cognitive delays, which can be understood through both Piaget's and Erikson's
Problem: Paraphrase To Scholarly Writing: The theoretical foundation of this study draws primarily from Social Learning Theory (Bandura, 1977) and the Toxic
Problem: Your friend Adijan wants to conduct a research study on motivation in humans.
Problem: Among the following, which has likely contributed to the growth in cultural diversity in psychology?
You are a social worker at a mental health center. You have scheduled a client for tomorrow at 8 PM when you realize that none of your co-workers