Stats Help for College-level Students

Statistics

Exercise # 10.10 In an attempt to improve quality many manufacturers are developing partnerships with their suppliers. A local fast-food burger outfit has partnered with its supplier of potatoes. The burger outfit buys potatoes in bags that weigh 20 lbs. It wishes to set up the null and alternative hypotheses to test if the ...continues

Statistics

Statistics problems: please provide me with solutions with step-by-step explanations and forumulas.

Statistics

12.17 M&M / Mars claims that at least 20% of the M&M's in each package are the new blue color. Set up the null and alternative hypotheses to test this claim. 12.21 An automobile company thinks that with new designs, its cars will last longer before having a problem. For this reason, the company wishes to extend the warranty ...continues

Statistics

Hypothesis testing questions

Statistics

Hypothesis testing questions.

Statistics

Regression questions

Statistics

Regression and hypothesis testing

probability

Solving probability questions

Statistics: geological study and large elevator

1. A geological study indicates that wells drilled in a certain area should strike water with probability 0.2. Find the probability that: a) first strike of water comes in the 3rd well drilled b) 3 strikes of water in 5 drills 2. A large elevator has a max weight limit of 10,000 lbs. Suppose a load has 45 boxes. This has a ...continues

Statistics Cases

a) What is the response variable and what is the factor? b) Ho many levels of the factor are being studied? c) Is there any difference in the average time to failure of the disks from the 3 different suppliers? If so, which ones are different? d) What is your recommendation to the company and why?