[Objective: Understand the components of hypothesis testing] Read the following problem description then choose the correct null and alternative hypothesis: A new drug is being tested to see whether it can reduce the rate of food-related allergic reactions in children ages 1 to 3 with food allergies. The rate of allergic reactions in the population of concern is 0.03 .
A)
B)
C)
D)
Use the following information to answer questions (3) - (5) . A janitor at a large office building believes that his supply of light bulbs has a defect rate that is higher than the defect rate stated by the manufacturer. The janitor's null hypothesis is that the supply of light bulbs has a manufacturer's defect rate of p=0.09. He performs a test at a significance level of 0.01. The null and alternative hypothesis are as follows:
Correct Answer:
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Q25: Read the following problem description then choose
Q26: [Objective: Test a hypothesis for a population
Q27: Which of the following is not true
Q28: Which of the following is not a
Q29: [Objective: Interpret the z test statistic] Suppose
Q31: [Objective: Calculate the observed value of the
Q32: A researcher believes that children who attend
Q33: Complete the statement by filling in the
Q34: [Objective: Understand the hypothesis test of proportions
Q35: Which statement best describes the significance level
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