The SAT scores of 20 randomly selected high school students has a mean of =1,185 and a sample standard deviation s=168.0. Construct an 98% confidence interval for the true population mean and interpret this interval

When 415 college students are randomly selected and surveyed, it is found that 328 made online purchases during the last month. What sample size will produce a margin of error of 6% with 95% confidence level?

The SAT scores of 20 randomly selected high school students has a mean of =1,185 and a sample standard deviation s=168.0. Construct an 98% confidence interval for the true population mean and interpret this interval

Suppose that the average number of miles driven by a CSULA students is 15,000 and the standard error is 5000 miles. Find the interval of miles within which 99% of the drivers fall. Please show all your work

The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a standard deviation of 15.  Given a class with 12 students, what is the probability that the class' average IQ score is less than 115?

Students of biochemistry are frequently distressed by “Svedberg arithmetic,” that is, for instance, by the fact that the 30S and 50S ribosomal subunits form a 70S particle rather than an 80S particle. Why don’t the numbers add up to 80

Discuss environmental factors that can affect the mental health of early childhood students. Identify possible signs of mental health issues and a recommended resource to share with families or other educators in properly dealing with concerns.

Suppose staff at college are discussing whether attendance (e.g. students going to classes and/or lectures) should be compulsory or optional.

How could (a) neoclassical economics and (b) behavioural economics help them address this question?

Medical Billing question: This week students will Describe the six Managed Care Models ( Found in Chapter 3, 3-4) and provide details about each. Please remember to describe in your own words.