Question

In: Statistics and Probability

A cereal company claims that the mean weight of the cereal in its boxes is 14.8...

A cereal company claims that the mean weight of the cereal in its boxes is 14.8 oz. The weights (in ounces) of the cereal in a random sample of eight of its cereal boxes are listed below: 14.6, 13.8, 14.1, 13.7, 14.0, 14.4, 13.6, 14.2 Test the claim at the 0.01 significance level. Use the t test for the hypothesis of the mean.

Solutions

Expert Solution

Solution:


Related Solutions

2) A cereal company claims that the mean weight of the cereal in its packets is...
2) A cereal company claims that the mean weight of the cereal in its packets is 14 oz. The weights (in ounces) of the cereal in a random sample of 8 of its cereal packets are listed below. 14.6 13.8 14.1 13.7 14.0 14.4 13.6 14.2 Test the claim at the 0.01 significance level. using it ti-84 calculator please stpe by step
Company claims to fill cereal boxes on average with 24 oz. of cereal with a standard...
Company claims to fill cereal boxes on average with 24 oz. of cereal with a standard deviation of 2 oz. The company is satisfied if the average weight of cereal per box is within 0.6 oz. of the advertised weight. What is the probability that the company is not satisfied with the average weight of cereal based on a sample of 100 boxes?
The weights of a certain brand of cereal boxes are normally distributed. The mean weight of...
The weights of a certain brand of cereal boxes are normally distributed. The mean weight of a SAMPLE of 13 boxes was 14.91 ounces with a sample standard deviation of .22 ounces. The margin of error on a 90% confidence interval would be smaller than the margin of error on a 95% confidence interval. True or false?
A cereal manufacturer claims that boxes of its cereals weigh 20 oz. on average with a...
A cereal manufacturer claims that boxes of its cereals weigh 20 oz. on average with a population standard deviation of 0.5 oz. A random sample of 100 boxes is selected. What is the probability that sample mean is between 19.9 and 20.1 oz. Assume that it follows normal distribution.
On the back of its cereal boxes, Tiger Cereal Company offers a premium to its customers....
On the back of its cereal boxes, Tiger Cereal Company offers a premium to its customers. The premium, a toy truck, may be claimed by sending in $1 plus 10 coupons; one coupon is included in each box of cereal sold. Tiger estimates, based on past experience, that 60% of the coupons will be redeemed. During 2016, Tiger purchased 240,000 toy trucks at $1.25 each for the premium promotion and sold 5,000,000 boxes of cereal, for cash, at $1.80 per...
On the back of its cereal boxes, Tiger Cereal Company offers a premium to its customers....
On the back of its cereal boxes, Tiger Cereal Company offers a premium to its customers. The premium, a toy truck, may be claimed by sending in $1 plus 10 coupons; one coupon is included in each box of cereal sold. Tiger estimates, based on past experience, that 60% of the coupons will be redeemed. During 2016, Tiger purchased 240,000 toy trucks at $1.25 each for the premium promotion and sold 5,000,000 boxes of cereal, for cash, at $1.80 per...
Suppose that the weight of open boxes of cereal in a home with children is uniformly...
Suppose that the weight of open boxes of cereal in a home with children is uniformly distributed from two to six pounds with a mean of four pounds and standard deviation of 1.1547. We randomly survey 64 homes with children. a) Find the probability that the total weight of open boxes is less than 257 pounds. (Round your answer to four decimal places.) b) Find the 45th percentile for the total weight of open boxes of cereal. (Round your answer...
Lloyd's Cereal company packages cereal in 1 pound boxes (16 ounces). A sample of 25 boxes...
Lloyd's Cereal company packages cereal in 1 pound boxes (16 ounces). A sample of 25 boxes is selected at random from the production line every hour, and if the average weight is less than 15 ounces, the machine is adjusted to increase the amount of cereal dispensed. If the mean for 1 hour is 1 pound and the standard deviation is 0.2 pound, what is the probability that the amount dispensed per box will have to be increased?
1- A machine fills cereal boxes. A random sample of 6 boxes had a mean of...
1- A machine fills cereal boxes. A random sample of 6 boxes had a mean of 20.25 oz. The distribution is assumed to be NORMAL with KNOWN standard deviation of 0.21 oz. Find a 99% Confidence Interval UPPER LIMIT? Note: Enter X.XX AT LEAST ONE DIGIT BEFORE THE DECIMAL, TWO AFTER and round up. Thus, 27 is entered as 27.00, 3.5 is entered as 3.50, 0.3750 is entered as 0.38 2- A machine fills cereal boxes. A random sample of...
Crossett Trucking Company claims that the mean weight of its delivery trucks when they are fully...
Crossett Trucking Company claims that the mean weight of its delivery trucks when they are fully loaded is 5,650 pounds and the standard deviation is 240 pounds. Assume that the population follows the normal distribution. Forty-five trucks are randomly selected and weighed. Within what limits will 90% of the sample means occur? (Round your z-value to 2 decimal places and final answers to 1 decimal place.) Sample means _______ to _______
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT