Leonie bought a hat and coat. The hat cost £6.

She sold both items for a total of £45

Leonie made a 300% profit on the hat and a 125% profit on the total cost.

Work out her percentage profit on the cost of the coat.

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.