Question 1
Solve the problem. Round the standard score to the nearest tenth before using the z-score tables. Express your answer as a decimal rounded to four decimal places.
The scores on a certain test are normally distributed with a mean score of 51 and a standard deviation of 2. What is the likelihood that a sample of 90 students will have a mean score of at least 51.2108?
◦ 0.1587
◦ 0.8413
◦ 0.3413
◦ 0.3174
Question 2
Solve the problem. Round the standard score to the nearest tenth before using the z-score tables. Express your answer as a decimal rounded to four decimal places.
A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If 70 different applicants are randomly selected, find the likelihood that their mean is above 215.
◦ 0.9938
◦ 0.0026
◦ 0.0062
◦ 0.9398
Chéri Samba, Problème d'eau. Où trouver l'eau? (The Water Problem. Where to Find ...
How to solve any rational equation by factoring (Part 1)
Math problem
Problem
Problem
Use Implicit Differentiation to solve this function