Asurvey asked, "during the last year, did anyone take something from you by using force-such as a stickup, mugging, or threat? " of 987 subjects, 19 answered yes and 968 answered no. a. find the point estimate of the proportion of the population who were victims. b. find the standard error of this estimate. c. find the margin of error for a 95% confidence interval. d. construct the 95% confidence interval for the population proportion. can you conclude that fewer than 10% of all adults were victims?

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Can some one me with these questions