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In this activity, students are asked to design a hypothesis test, collect data, analyze the data and share a conclusion. The focus may be something used in everyday life and general in nature.
The following table contains the probability distribution for X = the number of retransmissions necessary to successfully transmit a 1024K data package through a double satellite media.
A psychological introvert-extrovert test produced scores that had a normal distribution with mean and standard deviation of 75 and 12, respectively. If we wish to designate the highest 15% as extrov
In a manufacturing plant employing a double inspection procedure, the first inspector is expected to miss an average of 25 defective items per day with a standard deviation of 3 items.
A garment manufacturing company recorded the amount of time that it took to make a pair of jeans on 8 different occasions. The times in minutes are listed below. Assume these measurements were taken
The on-line access computer service industry is growing at an extraordinary rate. Current estimates suggest that only 20% of the home-based computers have access to on-line services. This number is
Discuss the fundamental properties of a binomial probability distribution and their application to finding probabilities when guessing answers on a test.
Taking a random sample of 50 claims please provide a detailed hypothesis testing for this data including the standard deviation to accept or reject the hypothesis.
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the Social Security system. The president wants the estimate to be
The Fox TV network is considering replacing one of itsprime-timecrime investigation shows with a new family-orientedcomedy show.Before a final decision is made, network executives commission a sampl
Is there a relationship between (X) rate of poverty (measured as percent of population below poverty level) and (Y) rates of teen pregnancy (measured per 1,000 females aged 15 to 17)? A researcher s
Several years of study by dedicated researchers have shown that on average 4 sharks per month can be found in an area off Broad Key. what is the likelihood of finding two sharks in that area in a gi
Test the given claim using the p value method or critical value method. Construct a confidence interval suitable for testing the given claim.
The manager has estimated that monthly demand for recorders is normally distributed, with a mean of 180 recorders and a standard deviation of 60. Determine the number of recorders the manager should
When looking at a set of data, we often want to be able to describe it. What two elements are we interested in reporting?
Hurricane Katrina forced insurance companies to examine policy rates and originally determined that the average claim amount was $1900.00. A review of the average amount determined that the true mea
George said that Sam would need to determine whether his sample was from a normally distributed population because the population standard deviation was unknown. He said that Lou would not need to d
In the U. S. about 15% of the population is 65 years or older (senior citizens). It is estimated that 90% of seniors get a flu shot each year. It is also estimated that 45% of non-seniors get a flu
According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), and the National Institutes of Health (NIH), 41% of college students nationwide engage in "binge drinking" behavior, havi
Identify a quantitative variable (measurement) in your business/organization that has either interval or ratio level of measurement. Further, identify at least three meaningful groups into which th
It makes me wonder how we can predict somebody will be due to the past stats of that player. The stats may have some factor, but you cannot guarantee that an outcome will happen based on a previous
In a brand awareness study, if 25 of a group of 35 males identify the brand correctly and 15 of a group of 35 females identify this brand correctly, the chi-square value for this study is approximat
What condition is necessary in order to use z-test to test the difference between two means?
Discuss the implications of: magnitude (from 0 to 1); sign ( + or -); and probability versus causality for the Correlation Coefficient (also known as the Pearson Product-Moment Correlation Coefficie
Pick a card from a regular 52-card deck and record the suit, then toss a coin and record heads or tails. Let A be the event a club or spade is picked from a regular 52-card deck. Let B the event a h