# Question: Find the area under the normal curve that lies to

Find the area under the normal curve that lies to the left of the following z-values

a. z = - 1.30.

b. z = - 2.56.

c. z = - 3.20.

d. z = - 0.64.

a. z = - 1.30.

b. z = - 2.56.

c. z = - 3.20.

d. z = - 0.64.

## Answer to relevant Questions

Use a computer or calculator to find the probability that one randomly selected value of x from a normal distribution, with mean 584.2 and standard deviation 37.3, will have a value a. less than 525. b. between 525 and ...Draw a figure of the standard normal curve showing: a. Z(0.15) b. Z(0.82) Using Table 4B, find the z-scores that bound the middle 0.98 of the normal distribution. Verify the z-scores using Table 4A. In order to see what happens when the normal approximation is improperly used, consider the binomial distribution with n = 15 and p = 0.05. Since np = 0.75, the rule of thumb (np > 5 and nq > 5) is not satisfied. Using the ...In reference to Applied Example 7. 3 on page 316: a. Explain why the numerical values on this table do not form a sampling distribution. b. Explain how this repeated gathering of data differs from the idea of repeated ...Post your question