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Describe a situtation in your experience when skepticism helped you arrive at a conclusion about a specific claim that you have encountered. Here are a few examples to get you thinking:
question suppose that a volcano is erupting and readings of the rate rt at which solid materials are spewed into the
What fraction of all bags sold are underweight?- Some of the chips are sold in bargain packs of 3 bags. What's the probability that none of the 3 is underweight?
Slot machine. A slot machine has three wheels that spin independently. Each has 10 equally likely symbols: 4 bars, 3 lemons, 2 cherries, and a bell.
You want to estimate today's mean temperature, so you make a series of measurements (taken as a sample) throughout the day. The mean of these measurements is 63 degrees Fahrenheit, and their standard deviation is 3.4 degrees Fahrenheit.
An person has applied for positions at company A,company B, and Company C. The probability of obtaining an offer from Company A is 0.4, from company B is 0.3, and from Company C is 0.6. Assume that the three job offers will be independent.
A trucking firm suspects that the mean lifetime of a certain tire uses is less than 35,000miles. To check the claim the firm randomly selects and tests 54 of these tires and gets a mean life time of 34,570
If the desired value for m is 2.5 inches, formulate the appropriate testing hypothesis problem and carry out the test if a = 0.05.
What percent of the junior Biology majors are ineligible for BioResearch?- What's the probability that a junior Biology major who has taken Statistics has also taken a computer course?
An electric utility wishes to examine the relationship between temperature and electricity use in its service region during the summer months.
A certain herb is grown in three places on Earth. It is known that this herb has medicinal value in treating certain illnesses, but that sometimes it is fatal.
a. What is a probability? b. Which of the following has a probability number: a random experiment, a sample space, or an event?
In May 2008, CNN reported that Sports Utility Vehicles (SUVs) are plunging toward the "endangered" list. Due to soaring oil prices and environmental concerns.
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