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Home Question Bank Math Statistics Archive 2024 December 04

Statistics Questions from Dec 04,2024

Browse the Statistics Q&A Archive for Dec 04,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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28. The average test score in a class is \( 78 \% \). Half of the class scored within 8 points of th average. One student received a score of \( x \% \). Which shows an expression that could to determine how far the student's score is from the average? \( \begin{array}{llll}\text { A) } 78-|8| & \text { B) }|x-78| & \text { C) }|78-8| & \text { D) }|x|-78\end{array} \) The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 75 inches, and a standard deviation of 12 inches. What is the probability that the mean annual snowfall during 36 randomly picked years will exceed 77.8 inches? Calcule la Desviación Estándar (Standard Deviation) para el siguiente conjunto de datos. Number of Words in Book Titles \( 1,2,2,2,2,2,2,2,3,3,3,3,4,6,6 \) Part 1 of 2 Imagine you work in a probation office. Your supervisor is interested in the mean monthly number of parolees the office handles. They believe the number is greater than 155 . Your supervisor wants to determine if they are correct and has asked you to investigate. If they can prove that the true monthly number of parolees is greater than 155 , they can start the process of hiring another parole officer. You collect data from the past five years and then randomly sample 30 months. The results of your sample and your calculations are shown in the Excel file provided in the resource tool on the right. Using the data from the Case Study (above) and the Calculation Worksheet (Excel file), find the minimum. 1. Mateo surveys 30 students at marching band practice asking if they agree with the school's proposed budget cuts for the music program. 18 people ate baked ham. 11 of them got sick. Calculate the attack rate. Round to the whole percent. 29 people ate sausage links. 13 of them got sick. Calculate the attack rate. Round to the whole percent. 2. Of the 120,000 people put in internment camps, what percentage of them were children? 12 people ate scambled eggs. 8 of them got sick. Calculate the attack rate. Round to the whole percent. If you wanted to illustrate how different trends progress over time, you would use a
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