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1. Fifteen shoppers are asked to participate in a taste test of four soft drinks at the local supermarket. Nine of them choose Brand C. If there were really no difference in taste among the four soft drinks, what would the probability be of 9 or more of 15 people choosing Brand C?
2. The Pop-up Toaster Company advertises that their toasters have a probability of .95 of working for 1 year without need of repairs. If you bought eight toasters as wedding gifts, what is the probability that all eight will work for at least 1 year?
Pizza. A researcher tests whether the mean cholesterol level among those who eat frozen pizza exceeds the value considered to indicate a health risk.
Foreign-born residents The following percentile plot shows the distribution of the percent of foreign-born residents in the 50 states.
Interview residents of apartment complexes. You are planning a report on apartment living in a college town. You decide to select 5 apartment complexes.
Briefly identify and contrast the methods used by the psychoanalytic perspective, the humanistic perspective, and the trait perspective to assess personality.
customers arrive at a local atm at an average rate of 20 perhours. assume the time arrivals follow the exponential
A description of a Pew Research Center poll referred to "the random generation of the last two digits of telephone numbers." Each digits has the same chance of being randomly generated. Construct a table representing the probability distribution f..
Process of algebraic division and then solving a quadratic equation, find the complex roots. Write down all the factors of the 4th degree polynomial
Finding the probability of sample and describe the sampling distribution of the sample means.
Service A delivers the document with probability 0.9, Service B with probability 0.9 and Service C with probability 0.8. What is the probability that at least one copy of the document will be delivered on time?
Describe the use of normal probability plot to evaluate whether a set of data is normally distributed?
Although we have not emphasized it, the paired t-test can be used to test hypotheses in which the null value is something other than 0.
what is the probability of obtaining 2 heads out of 5 tosses of a coin in a binomial
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