Find the standard normal score z-score. your class took a, Ask an Expert

Statistics

Find the standard normal score (Z-score).

Your class took a test and the students earned the following scores:

77	64	86	97	105	85	86
61	77	85	96	86	84	73

Find out the mean ______________ and the standard deviation _____________

Find out the z-score for your grade of 86 _____________

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M919750

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

You hold a stock with price 100 that can increase by 10 or

You hold a stock with price $100 that can increase by 10% or decrease by 10% m a year. The interest rate is 5% a) Suppose that you want to ensure that you'll get a minimum of $I00 in a year regardless of the evolution of ...

The height of 5th grade boys is normally distributed with

The height of 5th grade boys is normally distributed with mean μ=57 inches and standard deviation σ=2 inches. What is the probability that the height of a randomly selected 5th grade boy will be between 53 inches and 61 ...

A if n7 days campus is open and p022 the probability that

A. If n=7 (days campus is open) and p=0.22 (the probability that a student is on campus on any given day), determine the theoretical mean and standard deviation for the number of days on campus each week.

After 5 years at her company katy just got promoted and

After 5 years at her company, Katy just got promoted and decided to buy a new house worth $230,000. She can pay 10% up front for the down payment, then apply for a 30-year mortgage, 6.6% annual rate for the remaining bal ...

What are some differences between transaction processing

What are some differences between Transaction Processing Information Systems and Management Information Systems?

A system has two independent components both components

A system has two independent components. Both components must function for the system to function. The first component has 7 components that each work with probability 0.95. If at least 5 elements are working then the fi ...

In a random sample of 100 college student 60 were females

In a random sample of 100 college student 60 were females, 65 were under 21 years of age and 15 males were 21 years of age or older, a student is selected at random from the sample. What is the probability that a female ...

Please help with the below questionsbased on the following

Please help with the below questions: Based on the following project assumptions, determine the NPV and the IRR for the project. Equipment invoice $300,000 Transportation and installation $ 85,000 Training $ 20,000 Proje ...

Consider a normally distributed set of scores with a mean

Consider a normally distributed set of scores with a mean of 0 and a standard deviation of 5. If a value of 3.25 is sampled from this distribution, what is the corresponding z-score? If necessary, round your answer to tw ...

Question a random variable x is known to be distributed

Question: A random variable X is known to be distributed either N(1,3) or N(2,3). The mill hypothesis is that the mean is equal to 1. The alternative hypothesis is that the mean is 2. a. With a sample of 10 draws from th ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert