Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q1) Following data represent random sample of bank balances for population of checking account customers at large eastern bank. Based on data, determine the 95 percent confidence interval estimate for true population mean?
$2,300
$756
$325
$1,457
$208
$2,345
$1,560
$124
$356
$3,179
$457
$789
$120
$2,760
$998
$508
$210
a) Approximately $1,069 + $484.41
b) About $839.40 to $1,298.60
c) Approximately $1,069 + 2.1098
d) None of the above.
Q2) Hilbert Drug Store owner plans to survey random sample of his customers with objective of evaluating mean dollars spent on pharmaceutical products in the past three months. He has supposed that population standard deviation is known to be= $15.50. Given this information, what would be required sample size to evaluate the population mean with 95 percent confidence and margin of error of + $2.00?
a) 231
b) 163
c) 16
d) 15
Using a separate 2 by 2 table, compute predictive value positive and predictive value negative for population of 1,000 drug users.
If the mean IQ of all Omega University students was equal to 115, and a small random sample of students was selected from the population whose mean IQ was 120, then this difference of 5 points would equal the:
In which of the following situations is bootstrapping (and other resampling methods) often used and Which of the following is a valid description of the bootstrapping method.
Find the critical F value for the Following,
What is the standard deviation of expected returns for Stock X? For Stock Y?
Calculate the z - scores for the three samples, compare the z score to the t-statistic, is the null hypothesis accepted or rejected?
Using 5% level of significance, is there any difference in proportion of guests who would select the two resorts? What is your conclusion?
Determine the mean for list of numbers. 6, 5, 9, 4, 14, 9 (Round to the nearest tenth)
An experiment consists of making 80 telephone calls in order to sell a particular insurance policy.
Calculate the probability that the median of the sample or average medians is:
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location.
The quality-control inspector checks 200 pieces in a certain operation. The piece is either good or defective. The record for nine hours.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd