For the statement below, write the claim as a mathematical statement. State the null and alternative hypotheses and identify which represents the claim.
A laptop manufacturer claims that the mean life of the battery for a certain model of laptop is less than 9 hours.
Write the claim as a mathematical statement.
A. u > 9 B. u < 9> C. u <= 9 E. u = 9 C. u >= 9 F. u != 9
Choose the correct null and alternative hypotheses below.
A. H0: u = 9 Ha: u != 9
B. H0: u < 9 u=9> C. H0: u <=9 Ha: u>9
D. H0:u p != 9 Ha: u = 9
F. H0:u >= 9 Ha: u < 9>
Identify which is the claim.
A. The alternative hypothesis Ha: > 9 is the claim
B. The alternative hypothesis Ha: u != 9 is the claim
C. The null hypothesis Hous9 is the claim
D. The null hypothesis Ho: u >= 29 is the claim.
E. The alternative hypothesis Hau< 9> F . The null hypothesis Ho: u = 9 is the claim