In a survey of 850 students in a school, 90% reported having pets at home. If the margin of error is 3.4%, what is the interval
that is likely to contain the exact percent of all people who have pets at home? Between 3.4% and 90%
Between 90% and 93.4%
Between 86.6% and 90%
Between 86.6% and 93.4%
