A long-distance telephone company claims that the mean duration of long-distance telephone calls originating in one town was gre
1 answer:
Answer:
(D) Conclusion: Do not support the claim that the mean is greater than 9.4 minutes
Step-by-step explanation:
Let X be the mean duration of long distance telephone class originating in one town.
(one tailed test)
The conclusion of the hypothesis test assuming that the results of the sampling don’t lead to rejection of the null hypothesis.
This means that there is no statistical evidence to support the alternate claim.
Hence option D is right.
(D) Conclusion: Do not support the claim that the mean is greater than 9.4 minutes
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Salutations!
There are five classic rock radio stations, four country stations, six pop music stations, and three classical stations in my town. Find P(classical).
Probability means occurrence of chance.
Step 1) Add all the radio stations ---
There are 3 classical stations, therefore the probability is:
P(classical) =
= 
Thus, your answer is option A.
Hope I helped (:
Have a great day!
There are five classic rock radio stations, four country stations, six pop music stations, and three classical stations in my town. Find P(classical).
Probability means occurrence of chance.
Step 1) Add all the radio stations ---
There are 3 classical stations, therefore the probability is:
P(classical) =
Thus, your answer is option A.
Hope I helped (:
Have a great day!