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1 a high school with 1000 students offers two ap courses statistics and calculus there are 200 students in the calculus
assume that you toss a fair six-faced die two timesnbspnbspnbsp1 what is the probability that you get an even number at
1 what is the probability that you get an even number at the first toss show work and write the answer in simplest
suppose the distribution of speed at one location on a highway is bell shaped with a mean of 73 mph and a standard
a computer network manager wants to test the reliability of some new fiber optic cables that the department just
each of 20 science students independently measured the melting point of lead the sample mean and sample standard
statistical summary and article critiqueyour paper should in 500- 600 words 1 summarize the statistical methods that
in this post you will be challenged to look at how statistical tests such as correlation are commonly used and the
44 sharks are caught and length is measured in feet average was 1559 feet with standard deviation of 255 ft test if
the 5 number summary of the fastest ever driven speed mph of penn state students is 55 95 110 120 and 150 the speed
political scientists want to estimate the proportion of republicans and democrats in each of the 50 states they take a
1 we are testing ho p 05 vs ha p lt 05 at the 5 level of significance if the p-value is 0229 then what is the correct
a manufacturer claims that a particular automobile model will get 50 miles per gallon on the highway the researchers at
economists often track unemployment trends by measuring the proportion of people who are underemployed meaning they are
scores on a quiz are normally distributed with a mean of 20 and a standard deviation of 6 how would adding 5 points to
a random sample of 78 students in region a is taken and it is found that 47 of these students watch more than 30 hours
a polulation has standard deviation of 50 a random sample of 100 items from this population is selected the sample mean
determine both type i and type ii errors for the following scenarioassume a null hypothesis h0 that states the
suppose you are taking an accounting course and a writing course next semester you like accounting so you believe that
as a construction engineer for a city you are responsible for ensuring that the company that is providing gravel for a
an economics professor gives her students an exam the exam scores have a mean of 75 and a standard deviation of 9 how
suppose that you collect data on apartment prices in tempe you look at 41 different apartment and find a mean of 757
a population has a mean score of 75 and a standard deviation of 13 what is the probability of choosing a random sample
the price-earnings ratios of a sample of stocks have a mean value of 135 and a standard deviation of 2 if the ratios