NULL AND ALTERNATIVE HYPOTHESIS

Which of the following is a correct null hypothesis?

Which of the following statements is a correct alternative hypothesis?

This symbol denotes the null hypothesis

• Null hypothesis

• Alternative Hypothesis

• H₀

• H_a

What is the only option for the null hypothesis? 

• H₀ = k
• H₀ > k
• H₀ < k
• H₀ ≠ k

Which of the following is NOT an option for an alternate hypothesis? 

• H_a = k

• H_a > k

• H_a < k

• H_a ≠ k

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.

The weight of the average 6th grade student's backpack (with books in it) is 18.4 lbs. The principal of the school thinks that the backpack does not weight 18.4 lbs. What is the null and alternate hypothesis? 

• H₀ = 18.4
  H_a = 18.4
• H₀ = 18.4
  H_a > 18.4
• H₀ = 18.4
  H_a < 18.4
• H₀ = 18.4
  H_a ≠ 18.4