1001 12@complete) This Test: 12 pts possas This Question: 1 pt et is clam During

Question

1001 12@complete) This Test: 12 pts possas This Question: 1 pt et is clam During your tests, you A company that makes cola drinks states that the mean caffeine content per 12-ounce botle of cola in 45 mlligrams You want to fnd that a random sample of thity 12-ounce population standand deviation is 6 3 mligrams A Do,can you rejct the company's clainm? Complete parts (a) through (e) bottles of cola has a mean caffeine content of 44 4 milligrams Assume the population is normally distrbded and he a) idenaty Ho and H, Choose the comect answer below n, >444 -44 4 (b) Fnd the crteal vaurs) Select the correct choice below and inthe answer box whn your choce Round to tao decimal places as needed) OA. The crteal values are O B. The critical value is Identity the rejection region/s) Choose the comect answer below OB. Oc. Fail to reject H a. Fato reject /N Clck to select your answer(s)

Explanation / Answer

The statistical software output for this problem is:

One sample Z summary hypothesis test:
: Mean of population
H0 : = 45
HA : 45
Standard deviation = 6.3

Hypothesis test results:

Hence,

a) Hypotheses: Option E is correct.

b) Option A; + 1.812

Rejection Region: Graph C is correct.

c) Test statistic = -0.52

d) Option C is correct.

e) is not; reject; equal to; 45

Mean n Sample Mean Std. Err. Z-Stat P-value 30 44.4 1.1502174 -0.52164053 0.6019

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