This is a histogram showing the bmi Body mass index (kg/m squared) for a sample of 29 women. According to the histogram, how many of our observations have a normal weight? ("Underweight" = if bmi is less than 20, "Normal" if bmi is between 20 and 25, "Overweight" if bmi is between 25 and 30, "Obese" if bmi is greater than 30)

Histogram of bmi This is a histogram showing the "bmi" Body mass index (kg/m squared ) for a sample of 29 women. According to the histogram, how many of our observations have a normal weight? ("Underweight" = if bmi is less than 20 , "Normal" if bmi is between 20 and 25 , "Overweight" if bmi is between 25 and 30, "Obese" if bmi is greater than 30) a. 15 b. 18 c. 0 d. 3 e. 8