The letter "t" makes up an estimated 9% of a certain language. assume this is still correct. a random sample of 700 letters is taken from a randomly selected, large book and the t's are counted. find the approximate probability that the random sample of 700 letters will contain 8.2 or fewer t's.

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22

What is the solution to the system of equations? y=1.5-3 y=-x