1. A random sample of 14 cigarettes of a certain brand has an average nicotine content of 4.2 milligrams and a standard deviation of 1.7 milligrams. Is this in line with the manufacturer's claim that the average nicotine content does not exceed 6.3 milligrams? Use 0.01 level of significance. a. "Yes, we are 100% sure that it is within the average." b. "No, sufficient data to make a conclusion." c. "No, the cigarette is exceeds the stated value, on average." d. "We may assume that the cigarrete is within the stated value, on average."

1. A random sample of 14 cigarettes of a certain brand has an average nicotine content of 4.2 milligrams and a standard deviation of 1.7 milligrams. Is this in line with the manufacturer's claim that the average nicotine content does not exceed 6.3 milligrams? Use 0.01 level of significance. a. "Yes, we are 100% sure that it is within the average." b. "No, sufficient data to make a conclusion." c. "No, the cigarette is exceeds the stated value, on average." d. "We may assume that the cigarrete is within the stated value, on average."

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.3: Special Probability Density Functions

Problem 8E

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Question

1. A random sample of 14 cigarettes of a certain brand has an average nicotine content of 4.2 milligrams and a standard deviation of 1.7 milligrams. Is this in line with the manufacturer's claim that the average nicotine content does not exceed 6.3 milligrams? Use 0.01 level of significance.
a. "Yes, we are 100% sure that it is within the average."
b. "No, sufficient data to make a conclusion."
c. "No, the cigarette is exceeds the stated value, on average."
d. "We may assume that the cigarrete is within the stated value, on average."

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