The mean cholesterol level of women age 45 59 in Ghana

Last updated: 11/3/2023

The mean cholesterol level of women age 45 59 in Ghana Nigeria and Seychelles is 5 1 mmol l and the standard deviation is 1 0 mmol l Assume that cholesterol levels are normally distributed Round the probabilities to four decimal places It is possible with rounding for a probability to be 0 0000 a State the random variable rv X a randomly selected woman age 45 59 in Ghana Nigeria or Seychelles b Find the probability that a randomly selected woman age 45 59 in Ghana Nigeria or Seychelles has a cholesterol level of 2 7 mmol l or more 0 9918 c Find the probability that a randomly selected woman age 45 59 in Ghana Nigeria or Seychelles has a cholesterol level of 7 6 mmol l or less 0 3821 d Find the probability that a randomly selected woman age 45 59 in Ghana Nigeria or Seychelles has a cholesterol level between 2 7 and 7 6 mmol l 0 3714 X 0 9998 e Find the probability that randomly selected woman age 45 59 in Ghana Nigeria or Seychelles has a cholesterol level that is at least 8 6 mmol l X Why X f is a cholesterol level of 8 6 mmol l unusually high for a randomly selected woman age 45 59 in Ghana Nigeria or Seychelles