Multiple Choice
Researchers determined that 60 Puffs tissues is the average number of tissues used during a cold.Suppose a random sample of 100 Puffs users yielded the following data on the number of tissues used during a cold: = 52 and s = 22.Suppose the alternative we wanted to test was H1: μ < 60.The correct rejection region for α = 0.05 is:
A) reject H0 if t > 1.6604.
B) reject H0 if t < −1.6604.
C) reject H0 if t > 1.9842 or Z < −1.9842.
D) reject H0 if t < −1.9842.
Correct Answer:

Verified
Correct Answer:
Verified
Q50: Hourly Fees <br>A random sample of
Q51: Physicians<br> A random sample of 200 physicians
Q52: Based on sample data,the 90% confidence interval
Q53: _ populations allow us to use the
Q54: Sinus Drug<br> A company claims that 10%
Q56: The t-distribution assumes that the population is
Q57: In a hypothesis test for the population
Q58: Applicants' Grades <br>The grades of a sample
Q59: New Mousetrap<br> After a financial analysis,the general
Q60: Healthy Foods<br> In segmenting the frozen meal