Find the point estimate of the proportion of people who wear hearing aids if, in a random sample of 831 people, 48 people had hearing aids.

Aresearch institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=1085 and x=528 who said “yes”. use 90% confidence level

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.

Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3