a recent year, the Better Business Bureau settled 75% of complaints they received. You have be the Bureau to investigate complaints this year involving computer stores. You plan to select a mple of complaints to estimate the proportion of complaints the Bureau is able to settle. Suppe mple size is 141. What is the probability that the sample proportion will be at most 4 percent i e population proportion? (Enter your answer as a number accurate to 4 decimat places.)

What is the 75th Percentile of a data set when the Inter Quartile Range (IQR) is 12.5 and the first quartile is 8.5?

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Emma loves Butterfinger bars and recently ate a bar that only weighed 58 grams. Based on the distribution described to the left, what is the probability that a Butterfinger bar will weigh 58 grams or less?

Two samples are randomly selected from a population. One sample has n = 5 and the second has n = 30.  Which sample should have a mean (M) that is closer to?  Explain your answer.

When you are done, click here to see a summary of your score Question with last attempt is displayed for your review only In a certain school district, it was observed that 29% of the students in the element schools were classified as only children (no siblings). However, in the special program for talented and gifted children, 130 out of 373 students are only children. The school district administrators want to know if the proportion of only children in the special program Is significantly different from the proportion for the school district. Test at the a 0.05 level of significance. What is the hypothesized population proportion for this test? P=0.34 (Report answer as a decimal accurate to 2 decimal places. Do not report using the percent symbol.) Based on the statement of this problem, how many tails would this hypothesis test have? one-tailed test two-tailed test Choose the correct pair of hypotheses for this situation: (A) (C) Ho p 0.29 0.29 (В) Но:P 0.29 Ho: p 0.29 H: p 0.29 (D)…

According to a gallup survey of boys 77% of boys had played computer games in the past week compared to 65% of girls. You take and SRS of 104 boys and 120 girls How would you describe each distribution?

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