It is known that iq scores have a normal distribution with a mean of 100 and a standard deviation of 15. a. a random sample of 36 students is selected. what is the probability that the sample mean iq score of these 36 students is between 95 and 110? b. a random sample of 100 students is selected. what is the probability that the sample mean iq score of these 100 students is between 95 and 110?

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Does anyone know how to do geometryme with this problem

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap