A Consumer Group Claims That the Mean Running Time for a Certain

Multiple Choice

A consumer group claims that the mean running time for a certain type of flashlight battery is not the same as the manufacturer's claims. Determine the null and alternative hypotheses for the test
Described.

A) $\mathrm{H}_{0}: \mu=$ Manufacturer's claims
$\mathrm{H}_{\mathrm{a}}: \mu<$ Manufacturer's claims

B) $\mathrm{H}_{0}: \mu=$ Manufacturer's claims
$\mathrm{H}_{\mathrm{a}}: \mu \neq$ Manufacturer's claims


C) $\mathrm{H}_{0}: \mu=$ Manufacturer's claims
$\mathrm{H}_{\mathrm{a}}: \mu>$ Manufacturer's claims


D) $\mathrm{H}_{0}: \mu \neq$ Manufacturer's claims
$\mathrm{H}_{\mathrm{a}}: \mu=$ Manufacturer's claims