Samuel Morse suggested in the nineteenth century that the letter “t” made up 9% of the English language. Assume this is still correct. A random sample of 1000 letters is taken from a randomly selected, large book and the t’s are counted.
a. What value should we expect for our sample percentage of t’s?
b. Calculate the standard error.
c. Use your answers to fill in the blanks:
We expect ____% t’s, give or take _____%.