A researcher claims that at least 34% of employees have changed jobs in the past three years.In a random sample of 180 U.S. employees, 33% have changed jobs in the past three years.At

= .05 is there enough evidence to support the claim?

What is the null and alternative to run a hypothesis test?

Students collected the weights of a random sample of 24 Chips Ahoy! cookies.They want to perform a test ofH0;=11 HA ;11

H0;=11HA;11at=0.05

=0.05significance level.The sample of 24 cookies had a sample mean weight of 11.063 grams and a sample standard deviation of 0.562 grams.Calculate the test statistic (step 3) and round to 3 decimals

For a right tail hypothesis test, you get a test statistic of z = 1.04.What is the closest p-value for this test?

A survey found that among a sample of 150 adults living in California, 9.2% smoke.A hypothesis test was conducted to test whether the rate of smoking in California is less than the national rate of 18%.A test statistic of z = -2.76 was found.When testing at the=.01

=.01significance level, which is the most appropriate conclusion?

An article published at a college states that the mean amount of time a college student sleeps is 6.5 hours.In performing a hypothesis test, you reject the null but later find out that it was actually correct.What type of error was committed?

In hypothesis testing, if a significance level is not stated, what significance level should you pick?

When performing a hypothesis test about a mean, which distribution is used?

What does the p-value represent?