<span>The value of z is 0.8770. This answer was derived from information in the question, which states that the value of z is 0.8770. Granted, I don't understand what is meant by "cumulative standardized normal distribution." I only passed statistics because the professor felt sorry for me.</span>
Well...
<span>0.63 + 0.37 = 1.00
</span>I hope I was somewhat helpful~
Best Regards~ Sans
Answer:
7
Step-by-step explanation:
21×1/3
21÷3=7
hope I've helped