上午10:05 4月21日周四 7 87% •.. 26. A survey of a random sample of 210 male teens and 228 female teens, ages 13 years to 17 years, found that 122 of the male teens and 160 of the female teens brush their...

Extracted text: 上午10:05 4月21日周四 7 87% •.. 26. A survey of a random sample of 210 male teens and 228 female teens, ages 13 years to 17 years, found that 122 of the male teens and 160 of the female teens brush their teeth at least twice a day. If there is no difference between the proportions in the population of all male and female teens ages 13 years to 17 years who brush their teeth at least twice a day, approximately how many males and females in the sample would be expected to brush their teeth at least twice a day? (A) 105 males and 114 females (B) 122 males and 160 females (C) 135 males and 147 females (D) 141 males and 141 females (E) 219 males and 219 females