Answer:
The decision made by the researcher based on this information is to reject the null hypothesis.
Step-by-step explanation:
Two-tailed hypothesis test:
Critical value:
Test statistic: z
If , we do not reject the null hypothesis.
If , we reject the null hypothesis.
In this question:
Since , we reject the null hypothesis.
The decision made by the researcher based on this information is to reject the null hypothesis.
Answer:
10.28425
Step-by-step explanation:
Answer:
16 minutes
Step-by-step explanation:
80% of 20 is
80/100 * 20 = 16
Answer:
c
Step-by-step explanation:
its c