Question: The Average score for a grade 9 math test is 76% with a standard deviation of 9.26% Find the probability that a student will score

The Average score for a grade 9 math test is 76% with a standard deviation of 9.26% Find the probability that a student will score above 85%. What is the probability that a student will score exactly 65%

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

A study is done to determine if drinking coffee before taking a math exam has an impact on performance. The experiment is designed as follows: 1 class of thirty students is treated as a control group...

9. (10 Pts) Find the z-score that corresponds to the given area under the standard normal curve. 0.2810 0 10. (10 Pts) The average score of a statistics test for a class is 85 and standard deviation...

Standard Scores in a given normal distribution, the sample mean is 75 and the sample standard deviation is Find the corresponding standard score of the following values: 1. 69 2. 85 3 70 4. 65 5. 80...

Answer the following 1. Which of the following is the measure of the number of standard deviations (o) a particular data value is away from the mean ()? A. Standardization B. Random Normal Variable...

Lesson 10 Question 1 A random sample of 100 freshmen students at University Park campus is taken to estimate the percentage of freshmen that have taken a tour of Pattee Library during orientation...

Determine whether the given value is a statistic or a parameter. 1) A researcher examines the records of all the registered voters in one city and finds that 43% are registered Democrats. A)...

Math 10 Practice Exam 2 (PLS SHOW WORK and ANSWER ALL THE QUESTIONS ---- NO EXCEPTION ) Question 1: If 2% of people have green eyes, find the probability that in a random survey of 1000 people more...

1) A researcher examines the records of all the registered voters in one city and finds that 43% are registered Democrats. A) Parameter B) Statistic C) Population D) Variable Find the indicated...

1.In a survey people are asked "Which brand of toothpaste do you prefer?" The data gathered from this question would be what type of data? A.categorical B.quantitative C.continuous 2.A student is...

The acceleration of slider A is defined by the relation a= ??2k??k2 ?? v2, where a and v are expressed in ft/s2 and ft/s, respectively, and k is a constant. The system starts at time t = 0 with x =...

A company is considering investing in one of three different projects. C Year 0 1 2 23 3 4 5 A -2400 600 600 600 600 600 B -2400 800 800 800 800 800 -2400 500 700 900 1100 1300 The company would...

solve Which of the following organelles contains most of the cells DNA? O Golgi O Lysosome O Nucleus O Endoplasmic reticul

Prepare a report on the field trip to Korea. The report should include the following: (a). Observation regarding Korea and its business environment. (b). A brief overview on internationalization of...