I know I have done this before, can you please show me the formula nd the answer?

Determine the expected count for each outcome. n = 972 Q i 1 2 3 4 Pi 0.12 0.45 0.23 0.20 The expected count for outcome 1 is . (Round to two decimal places as needed.) The expected count for outcome 2 is (Round to two decimal places as needed.) The expected count for outcome 3 is (Round to two decimal places as needed.) The expected count for outcome 4 is (Round to two decimal places as needed.)