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Math homework help

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LPL

I NEED HELP WITH AN LPL ASSIGNMENT. ONLY EXPERTS PLS.

cost for victims

“A study was conducted to estimate hospital costs for accident victims who wore seat belts. Twenty randomly selected cases have a distribution that appears to be bell-shaped with a mean of $9004 and a standard deviation of $5629



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Task 1 Normal Distribution

Task 1—Normal Distribution

Scores on a statewide standardized test are normally distributed with a mean of 12.89 and a standard deviation of 1.95. Certificates are given to students whose scores are in the top 2% of those who took the test. This means that they scored better than 98% of the other test takers.

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MAT 160 – Hypothesis Testing Homework

MAT 160 – Hypothesis Testing Homework

Name _______________________

1.) Employees in an accounting firm claim that the mean salary of the firm’s accountants is less than that of its competitor’s which is $45,000. (Assume that the standard deviation of the firm’s accountants is known to be $5,200.) A random sample of 30 of the firm’s accountants has a mean salary of $43,500. Test the employees claim at the .01 level of significance.

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My Algebra homework

I need some one to do my math homework.

UOP pre and post test

around 50 questions. Pre has unlimited. Post has 1 try.

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