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1. A raffle offers a first prize of $500, and two second prizes of $50 each. One ticket costs $2, and 1000 tickets are sold. Find the expected winnings for a person who buys one ticket.
2. In a survey of 25 patients who smoked, the following data was obtained. Each value presents the number of cigarettes the patient smoked per day. Construct a frequency distribution table which consists of six class limits, frequency, relative frequency, and cumulative frequency.
4 21 10 23 11 13 2 8 13 9 12 36 6 17 18 15 16 14 19 14 15 11 25 28 29
A probability value of .25 means that an event will occur:
Data in table represent number of consumer complaints against major U.S. airlines. If one complaint from table is arbitrarily chosen, determine the probability that it was filed against United Airlines.
Determine the calculated value of the test statistic? What distribution does test statistic have when null hypothesis is true?
What is the level of measurement for the variable, "political ideology" measured as "Very Conservative", "Conservative","Moderate", "Liberal" and "Very Liberal".
Compute mean and standard deviation for sample of N = 8 females and sample of N = 8 for males.
What is the best prediction for the number of products sold based on advertising costs of $7000?
Leggo's pesto is make from a recipe brought to America by an immigrant ancestor the present generation refers to as Bisnonna Maria.
Is it reasonable to conclude that this set of n = 16 people is not a representative random sample of registered voters?
Based on the scatter diagram, does there appear to be any relationship between the number of assemblers and production? Explain.
Compute mean, standard deviation, coefficient of variation and 5 key percentiles for these data.
To sketch the 3-sigma X-bar chart and R-chart parameters. A candy bar manufacturer desires to set up a variables control chart for the net weight of its candy bars.
From her district, consisting of several hundred stores, she selects a random sample of 30 stores. For each store she gathered the following information.
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