Question

Asked Nov 2, 2019

1 views

Will you show me step by step how to answer this?

Step 1

The z-value corresponds to the 74^{th} percentile is shown in the standard normal distribution table.

Mark the approximate 0.74 on the standard normal distribution table. For correct value of z, we should use software. Find the row value of z corresponding to that value. Here it is 0.6

Find the column value of z corresponding to that value. Here it is 0.05

So final value of z = 0.65

Step 2

Using software

0.643345 (Using Ex...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: Problem 1: If X1, X2, ... , Xn are a random sample from a population with mean u and variance o2, us...

A: Introduction:The method of moments estimator equates the population moments with the corresponding s...

Q: Engineers must consider the breadths of male heads when designing helmets. The company researchers h...

A: From the given information,Mean and standard deviations are 6.4 and 0.8Smallest head breadths 1.3%=0...

Q: need answers to questions 9 and 10

A: The tree diagram for the three rolls of the die letting C= {composite number rolled} and N={composit...

Q: In a test of the effectiveness of garlic for lowering cholesterol, 48 subjects were treated with ga...

A: Given sample mean = 3.2Sample standard deviation = 16.8The 95% confidence interval has 0.975 area to...

Q: The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation...

A: Click to see the answer

Q: According to scientists, the cockroach has had 300 million years to develop a resistance to destruct...

A: Obtain the critical value at 95% confidence level:It is given that,Sample mean = 10,693/5,000=2.1386...

Q: Following are the weights of 8 boxes of cookies, each of which is labeled as containing 16 ounces. A...

A: It is provided that,Sample size (n) = 8Hypothesized population standard deviation (σ0) = 0.1Level of...

Q: I have attached a picture of the question.

A: Hello there! there are more than one question. According to our policies we cannot answer more than ...

Q: A random sample of 26 local sociology graduates scored an average of 458 on the GRE advancedsociolog...

A: From the provided information, there are 26 sample (N) with the average (x̄) score of 458 and standa...