Question

Using a normal distribution and z score formula answer the following questions a. Find the score...

Using a normal distribution and z score formula answer the following questions

a. Find the score that cuts off the bottom 35% of the normal curve

b. Find the data value to the nearest whole number that cuts off the op 10% of the curve given

that the mean is 75 and sample standard deviation is 5

C Find the z scores that cut off the middle 60% of the normal curve.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Solve each of the following questions using your calculator. tell me what you typed on the...
Solve each of the following questions using your calculator. tell me what you typed on the calculator. draw a picture for each problem. SHOW WORK 1. In a normal distribution find the Proportion of area: i. Greater than a z score of −1.25 ii. Between the z scores of −2.53 to 2.13 2. 2. In a normal distribution find the z score(s) that: i. Cuts off the top 35% of the z scores. ii. Cuts off the middle 74% of...
1. Let Z be the z-score for a standard normal distribution. Find the area under the...
1. Let Z be the z-score for a standard normal distribution. Find the area under the curve for Z> -1.58. Keep four decimal places. 2. Suppose the time spent by children in front of the television set per year is normally distributed with a mean of 1500 hours and a standard deviation of 250 hours. What percentage of children spend at least 1300 hours in front of the television. Express your answer to the nearest tenth of a percent without...
Q1-. A normal distribution has a mean of 15 and a standard deviation of 2. Find...
Q1-. A normal distribution has a mean of 15 and a standard deviation of 2. Find the value that corresponds to the 75th percentile. Round your answer to two decimal places. Q2-.Tyrell's SAT math score was in the 64th percentile. If all SAT math scores are normally distributed with a mean of 500 and a standard deviation of 100, what is Tyrell's math score? Round your answer to the nearest whole number. Q3-.Find the z-score that cuts off an area...
2. In the following questions, assume you have a normal distribution. The average score on a...
2. In the following questions, assume you have a normal distribution. The average score on a mathematics test is 36. The standard deviation is 4. What percentage can be expected to score between 33 and 35? 3. In the following questions, assume you have a normal distribution. The average score on a mathematics test is 36. The standard deviation is 4. What score falls at the 50th percentile? 4. Given, an IQ test with: u= 100 o= 16 What percent...
10          In a normal distribution find the proportion of area between the z scores of -1.64...
10          In a normal distribution find the proportion of area between the z scores of -1.64 and 0.55. 11          In a normal distribution find the z score(s) that cuts off the middle 70% of the scores. If families in a small local community have annual incomes which are normally distributed with a mean of $32,500 and a standard deviation of $5,000, then determine the percentile rank of a family with an income of 35,000 6            The length of time a...
1)A normal distribution has μ = 24 and σ = 5. (a) Find the z score...
1)A normal distribution has μ = 24 and σ = 5. (a) Find the z score corresponding to x = 19. (b) Find the z score corresponding to x = 35. (c) Find the raw score corresponding to z = −2. (d) Find the raw score corresponding to z = 1.7. 2)Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.) The area to the left...
Q1-. A normal distribution has a mean of 15 and a standard deviation of 2. Find...
Q1-. A normal distribution has a mean of 15 and a standard deviation of 2. Find the value that corresponds to the 75th percentile. Round your answer to two decimal places. Q2-.Tyrell's SAT math score was in the 64th percentile. If all SAT math scores are normally distributed with a mean of 500 and a standard deviation of 100, what is Tyrell's math score? Round your answer to the nearest whole number. Q3-.Find the z-score that cuts off an area...
Please answer the questions below 1. Find the​ z-score that has 48.8% of the​ distribution's area...
Please answer the questions below 1. Find the​ z-score that has 48.8% of the​ distribution's area to its left? 2. Find the​ z-scores for which 5% of the​ distribution's area lies between minus−z and z? 3. Find the indicated area under the standard normal curve. Between z=0 and z=1.34 The area between z=0 and z=1.34 under the standard normal curve is?
For a standard normal distribution, find: P(-1.73 < z < -0.77) For a standard normal distribution,...
For a standard normal distribution, find: P(-1.73 < z < -0.77) For a standard normal distribution, find: P(z > c) = 0.9494 Find c. Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If P(z>c)=0.2789 P(z>c)=0.2789 , find c Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If P(z>d)=0.7887 P(z>d)=0.7887 , find d. Assume that z-scores are normally distributed with a mean of...
What proportion of the normal distribution is located in the middle between the z scores: z...
What proportion of the normal distribution is located in the middle between the z scores: z = -0.5 and z = +0.20. [1 point] A population has a mean of μx = 100 and standard deviation of σx = 25. What is the proportion of scores in this population that are lower than a score of x = 65 [1 point] What is the proportion of scores in this population that are greater than a score of x = 90...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT