Quiz about Null and Alternative Hypothesis

Question 1

Find the null and alternative hypothesis.

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

more than $225.

Accepted Answer

$$H_0:\ \sigma=225$$

$$H_1:\ \sigma<225$$

Answer

$$H_0:\ \sigma e225$$ $$H_1:\ \sigma<225$$

Answer

$$H_0:\ \sigma e225$$ $$H_1:\ \sigma>225$$

Answer

$$H_0:\ \sigma=225$$ $$H_1:\ \sigma>225$$

Question 2

Find the null and alternative hypothesis.

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

Accepted Answer

$$H_0:\ \mu=300$$

$$H_1:\ \mu>300$$

Answer

$$H_0:\ \mu e300$$ $$H_1:\ \mu>300$$

Answer

$$H_0:\ \mu e300$$ $$H_1:\ \mu<300$$

Answer

$$H_0:\ \mu=300$$ $$H_1:\ \mu<300$$

Question 3

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.

Accepted Answer

$$H_0:\ \mu=4$$

$$H_1:\ \mu>4$$

Answer

$$H_0:\ \mu=4$$ $$H_1:\ \mu<4$$

Answer

$$H_0:\ \mu e4$$ $$H_1:\ \mu>4$$

Answer

$$H_0:\ \mu e4$$ $$H_1:\ \mu<4$$

Question 4

Find the null and alternative hypothesis.

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

Accepted Answer

$$H_0:\ \mu=73$$

$$H_1:\ \mu e73$$

Answer

$$H_0:\ \mu=73$$ $$H_1:\ \mu>73$$

Answer

$$H_0:\ \mu=73$$ $$H_1:\ \mu<73$$

Answer

$$H_0:\ \mu e73$$ $$H_1:\ \mu=73$$

Null and Alternative Hypothesis