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1. Internet and Nobel Laureates Find the best predicted Nobel Laureate rate for Japan, which has 79.1 Internet users per 100 people. How does it compare to Japan's Nobel Laureate rate of 1.5 per 10 million people?
2.Oscars Using the listed actress & actor ages, find the best-predicted age of the Best Actor given that the age of the Best Actress is 54 years. Is the result reasonably close to the Best Actor's (Eddie Redmayne) actual age of 33 years, which happened in 2015, when the Best Actress was Julianne Moore, who was 54 years of age?
In1990, 5.8% ofjob applicants whowere testedfor drugsfailed thetest.
Test at the 5% significance level whether the mean evacuation time is smaller at closing time than during fire drills.
Determine expected cell counts if null hypothesis is true and show them in a two-way table. Determine the chi-square() statistic?
During a particular attack a person has 222 critical strikes out of 561 attacks. What is the lower bound forthe 99% confindence interval
The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 96 pounds. A random sample of 50 newly manufactured cables has a mean breaking strength of 1950 pounds.
Assume the population standard deviation is 2.3 seconds. Find the standardized test statistic and the corresponding p-value.
Is sample of 25 papers large adequate to give a good estimate of mean score of all 42,000 students on this exam problem? Explain your answer.
Research information about the services provided by one county, one state, and one national public health organization.
question given the situation described identify the type of sampling involved. all the blackjack dealers on break at
Suppose you are planning a sample of employees to determine the monthly average # of vacation days. Standards set: Confidence level of 99% and an error of less than 5 units. Standard deviation be 6 units. What would be the required sample size?
a student has 40 chance of getting a scholarship. consider a group of 10 students.a. what is the probability that
Average (arithmetic mean) of 15 years with a standard deviation of 4 years. How does the relative dispersion in the distribution of salaries compare with that of the lengths of service?
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