A Company Has a Contract to Supply Specialized Batteries to a Manufacturer

A company has a contract to supply specialized batteries to a manufacturer with a mean width of 54mm and a variance of 1.8 or less with an alpha of 0.05.The company randomly tests 20 of these batteries to ensure that they are meeting the requirements of the contract.If the most recent test had a variance of 1.9, what would be the critical value of this chi-squared test?

A) 30.14
B) 32.85
C) 1.645
D) -30.14
E) -1.645

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free