The test scores of a population of 10 students are as follow:
29, 35, 39, 42,...
The test scores of a population of 10 students are as follow:
29, 35, 39, 42, 44, 45, 47, 50, 53, 59. If you randomly select a
sample of size 4, what is the probability that the average test
score in this sample be between 42 and 46? (Please show work).
A. 0
B. 0.15
C. 0.29
D. 0.37
E. 0.66
For students in a certain region, scores of students on a
standardized test approximately follow a...
For students in a certain region, scores of students on a
standardized test approximately follow a normal distribution with
mean ?=531.5μ=531.5 and standard deviation ?=28.1σ=28.1. In
completing the parts below, you should use the normal curve area
table that is included in your formula packet.
(a) What is the probability that a single randomly selected
student from among all those in region who took the exam will have
a score of 536 or higher?
ANSWER:
For parts (b) through (e),...
A data set of 50 comprehension scores is included below. Please
answer the following questions and/or...
A data set of 50 comprehension scores is included below. Please
answer the following questions and/or complete the following tasks.
12, 15, 11, 16, 21, 25, 21, 8, 6, 2, 22, 26, 27, 36, 34, 33, 38,
42, 44, 47, 54, 55, 45, 56, 53, 57, 45, 45, 45, 47, 43, 31, 12, 14,
15, 16, 22, 29, 54, 56, 57, 59, 54, 56, 43, 44, 41, 42, 7, 29
1. Create a frequency distribution for the data set using...