Find the critical value X2/R
corresponding to a sample of 19 an a confidence level 99...
Find the critical value X2/R
corresponding to a sample of 19 an a confidence level 99
percent
Solutions
Expert Solution
the above table shows critical values of the
chi-square distribution
, by locating the intersection of the degree of freedom (df)
vertically and level of significance ( )
horizontally.
Find the critical value Χ2/L corresponding to a sample size of 9
and a confidence interval of 99%. (Draw the graph)
Please write neatly, and show work, no calculator.
Find the critical z value for a confidence level of
94%.
Critical Value= round answer to 2 decimal places)
Out of 300 people sampled, 246 had kids. Based on this,
construct a 99% confidence interval for the true population
proportion of people with kids.
Give your answers as decimals, to three places
I am 99% confident that the proportion of people who have kids is
between and
Out of 300 people sampled, 255 had kids. Based on this,
construct a 95%...
QUESTION 1
Find the critical value tc for a 95%
confidence level when the sample size is 18. Use Table 4 on page
A10 (Appendix)
A.
1.740
B.
2.110
C.
2.101
D.
1.734
QUESTION 2
Let x be a random variable representing the SAT math
score of student. We may assume that x has a normal
distribution and that the population standard deviation is 25. A
large university claims the average SAT math score for incoming
freshman is 650. You...
For a confidence level of 98% with a sample size of 28, find the
critical t value.
Critical Value =
(round answer to 3 decimal places)
Assume that a sample is used to estimate a population mean μμ.
Find the 99.9% confidence interval for a sample of size 33 with a
mean of 72.3 and a standard deviation of 12.1. Enter your answer
accurate to one decimal place.
I am 99.9% confident that the mean μμ is between and
Assume that...