A random sample of students was surveyed and asked to list their grade level and whether or not they have a pet. Results are shown in the table below. Pets Survey Pets No Pets 6th grade 10 20 7th grade 10 29 8th grade 17 14 What percent of the total students have a pet? Round your answer to the nearest tenth of a percent.

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Q: legally purchase alcohol in the State of Oregon (students who are 21 or over). If we want the margin…

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A: Solution

Q: A sample has SS= 20 and s? = 4. How many scores are in the sample?

A: Six scores are in the sample.

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Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

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Q: Movie Ge Superhero Comedy Drama Total 6th grade 9. 46 20 17 7th Grade 13 19 13 45 8th Grade 14 14 13…

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Q: School of Rock Guitar Bass Drums Keyboard Total 6th grade 12 14 13 20 59 7th Grade 18 17 18 14 67…

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Q: Fifty students were surveyed and asked if they are taking a gym class and if they play an…

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Q: Below n is the sample size, p is the population proportion and ^p is the sample proportion.  n= 148…

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Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

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Q: Enter the exact answers. (a) What proportion of all cases had Outcome A? i (b) What proportion of…

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Q: If the proportion of Hs is .25 out of 200 flips, what is the p-value? Round

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.