A producer claims that his potato chips weight is at least 150 grams. The weight of the bag has a normal distribution. Because of the complaints of the customers, quality control department select randomly 49 bags and find the mean as 146 grams and variance 9 grams. Test the manufacturer claim at 2 9% level of significance. Find the correct answer or the hypothesis and find the correct answer for critical value

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A producer claims that his potato chips weight is at least 150 grams. The weight of the bag has a normal distribution.
Because of the complaints of the customers, quality control department select randomly 49 bags and find the mean
as 146 grams and variance 9 grams. Test the manufacturer claim at 2 9% level of significance. Find the correct answer
for the hypothesis and find the correct answer for critical value
3-
a)
-3.11
b) Ho: u 150 H1 : u > 150
2.33
Ho : µ < 150 H : p> 150
e)
-9.33
f) Ho: u> 150 H1: u< 150
g)
Но : д — 150 Н, :д 4150
h)
3.11
i) Ho: u< 150 H1 : u> 150
9.33
Transcribed Image Text:A producer claims that his potato chips weight is at least 150 grams. The weight of the bag has a normal distribution. Because of the complaints of the customers, quality control department select randomly 49 bags and find the mean as 146 grams and variance 9 grams. Test the manufacturer claim at 2 9% level of significance. Find the correct answer for the hypothesis and find the correct answer for critical value 3- a) -3.11 b) Ho: u 150 H1 : u > 150 2.33 Ho : µ < 150 H : p> 150 e) -9.33 f) Ho: u> 150 H1: u< 150 g) Но : д — 150 Н, :д 4150 h) 3.11 i) Ho: u< 150 H1 : u> 150 9.33
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