△def is rotated about point n to △d′e′f′ . which statements are true about the pre-image and image? select each correct answer. dn¯¯¯¯¯¯≅d′n′¯¯¯¯¯¯¯¯ the corresponding side lengths in the image and the pre-image are not equal. all corresponding points on the image and pre-image are equidistant to point n. the image is the same size and shape as the pre-image.

Television viewing reached a new high when the global information and measurement company reported a mean daily viewing time of 8.35 hours per household. use a normal probability distribution with a standard deviation of 2.5 hours to answer the following questions about daily television viewing per household. a. what is the probability that a household views television between 4 and 10 hours a day? (to 4 decimals) b. how many hours of television viewing must a household have in order to be in the top 7% of all television viewing household? (to 2 decimals) c. what is the probability that a household views television more than 4 hours a day? (to 4 decimals)