Question

In: Statistics and Probability

A local chip manufacturer distributes chips in bags labeled as 150g. A group of consumers believe...

A local chip manufacturer distributes chips in bags labeled as 150g. A group of consumers believe they are being cheated. They run a test on 32 bags, measures their contents, and obtains a sample mean of 145 grams with a standard deviation of 6 ounces. Use a 0.01 significance level to test the consumer's claim that the company is cheating its customers.

Solutions

Expert Solution

Let denotes the average number of chips in bags.

So,we can conclude that there is enough evidence to support the consumer's claim that the company is cheating its customers..


Related Solutions

A manufacturer makes bags of popcorn and bags of potato chips. The average weight of a...
A manufacturer makes bags of popcorn and bags of potato chips. The average weight of a bag of popcorn is supposed to be 3.07 3.07 ounces with an allowable deviation of 0.05 0.05 ounces. The average weight of a bag of potato chips is supposed to be 5.03 5.03 ounces with an allowable deviation of 0.03 0.03 ounces. A factory worker randomly selects a bag of popcorn from the assembly line and it has a weight of 3.06 3.06 ounces....
A local juice manufacturer distributes juice in bottles labeled 12 ounces. A government agency thinks that...
A local juice manufacturer distributes juice in bottles labeled 12 ounces. A government agency thinks that the company is cheating its customers. The agency selects 20 of these bottles, measures their contents, and obtains a sample mean of 11.7 ounces with a standard deviation of 0.7 ounce Use a 5% level of significance
Calvin thinks a certain potato chip maker is putting fewer chips in their regular bags of...
Calvin thinks a certain potato chip maker is putting fewer chips in their regular bags of chips. From a random sample of 18 bags of potato chips he calculated a P value of 0.044 for the sample. (a) At a 5% level of significance, is there evidence that Calvin is correct? (Type: Yes or No): (b) At a 10% level of significance, is there evidence that he is correct? (Type: Yes or No): (c) In a statistical test of hypotheses,...
en thinks a certain potato chip maker is putting fewer chips in their regular bags of...
en thinks a certain potato chip maker is putting fewer chips in their regular bags of chips. From a random sample of 23 bags of potato chips she calculated a P value of 0.047 for the sample. (a) At a 5% level of significance, is there evidence that Jen is correct? (Type: Yes or No): ____ (b) At a 10% level of significance, is there evidence that she is correct? (Type: Yes or No): ____ (c) In a statistical test...
A snack food producer sells bags labeled as “12 ounces” of its “Cheesy Chips.”
A snack food producer sells bags labeled as “12 ounces” of its “Cheesy Chips.” Due to natural variations in the creation of these chips, the weight of Cheesy Chips in each bag is a random variable that follows a normal distribution with a mean of 12.02 ounces and a standard deviation of 0.16 ounces.Find the probability that a randomly selected bag of Cheesy Chips will weigh less than 11.8 ounces. (5 points)b. A random sample of 15 bags of Cheesy...
A local brewery distributes beer in bottles labeled 24 ounces. A government agency thinks that the...
A local brewery distributes beer in bottles labeled 24 ounces. A government agency thinks that the brewery is cheating its customers. The agency selects 40 of these bottles, measures their contents, and obtains a sample mean of 23.8 ounces with a standard deviation of 1.1 ounces. Use a 0.01 significance level (α = 0.01) to test the agency's claim that the brewery is cheatings its customers (that the average volume of their beers is less than 24 ounces). H0:   ...
Suppose a computer chip manufacturer rejects 1​% of the chips produced because they fail presale testing....
Suppose a computer chip manufacturer rejects 1​% of the chips produced because they fail presale testing. Assume the bad chips are independent. Complete parts a through d below ​a) Find the probability that the third chip they test is the first bad one they find. The probability is __________ b) FInd the probability they find a bad one within the first 11 they examine _________ c) Find the probability that the first bad chip they find will be the fourth...
A computer chip manufacturer finds that, historically, for ever 100 chips produced, 85 meet specifications, 10...
A computer chip manufacturer finds that, historically, for ever 100 chips produced, 85 meet specifications, 10 need reworking, and 5 need to be discarded. Ten chips are chosen for inspection. A) What is the probability that all 10 meet specs? B) What is the probability that 2 or more need to be discarded? C) What is the probability that 8 meet specs,1 needs reworking, and 1 will be discarded?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT