Already have an account? Get multiple benefits of using own account!
Login in your account..!
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) In random sample of 46 bolts, mean length was 1.28 inches and standard deviation was 0.07 inch. Use normal distribution or a t- distribution to create a 99% confidence interval for the mean.
Which distribution must be used to create the 99% confidence interval ?
a) Use normal distribution as the lengths are normally distributed and σ is known.
b) Use t-distribution because n≥ 30.
c) Use t- distribution as lengths are normally distributed and σ is known
d) Use normal distribution because n≥ 30.
e) 99% confidence interval is?
Q2) Using given data table, determine class interval for the wage table?
$4 to $8
$8 to $12
$12 to $16
$16 to $20
Q3) Using given data table, find out midpoint for class with greatest frequency?
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!
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd