Consider a poll that reported that 42% of people from a certain region have tried marijuana. The survey polled 990 adults from the region and had a margin of error of plus or minus 3 percentage points with a 90% level of confidence. Complete parts (a) through (c) below. Question content area bottom Part 1 a. State the survey results in confidence interval form and interpret the interval. The confidence interval of the survey results is ( enter your response here, enter your response here)