in a certain country, the mean serum cholesterol level for females is 184mg/dL with a standard deviation of 44 mg/dL. if a sample of 81 females is randomly selected from this population, determine the probability that the sample mean cholesterol level will be between 140mg/dL and 228 mg/dL ​

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?