Null and Alternative Hypothesis

Find the null and alternative hypothesis.

The standard deviation of the sale price of a bike is no

more than $225.

Find the null and alternative hypothesis.

A museum claims that its mean daily attendance is at least 300 people.

Find the null and alternative hypothesis.

A microwave manufacturer claims that the mean life of the thermostat for a certain model of microwave is more than 4 years.

Find the null and alternative hypothesis.

As stated by a courier company’s dispatch department, the number of delivery errors per million consignments has a mean that is less than 2.

Find the null and alternative hypothesis.

According to a recent survey, 73% of college students did not use student loans to pay for college.