a quality control engineer is testing the battery life of a new smartphone. The company is adverting that the battery lasts 24 hours on a full charge, but the engineer suspects that the battery life is actually less than that. They take a random sample of 50 of these phones to see if their average battery life is significantly less than 24 hours

Southern tick-associated rash illness (stari) is a disease often carried by deer ticks in the southern united states. which sentence best explains how climate change could increase the number of stari cases? a. infectious diseases may become more widespread as ticks increase their range. b. ticks may weaken the animals they feed on, causing more deaths in the population. c. people who work in agriculture may have to relocate to find new employment. d. rising seas and flooding may result in the displacement of millions of people.

Describe alvord's tone in the two paragraphs on the history of dartmouth and its native american studies program (paras. 21-22)?

The torque output of an engine is usually measured in the units of a rpm b bhp c foot pounds d feet per pound