Answer:
x<3
Step-by-step explanation:
add 5 to 16. then divide 7 from 21. the sign flips with inequalities involving multiplication and/or division
Answer:
270 minutes
Step-by-step explanation:
1 hour = 60 minutes
4 hours = 240 minutes
half hour = 30 minutes
240 minutes + 30 minutes = 270 minutes
Answer:
X - 2, 6
Y - 10, 14
Step-by-step explanation:
+ 4
A. 485 is %3 of 500, but the deviation sets it slightly lower than that
Answer:
d. The population standard deviation is known.
Step-by-step explanation:
T-distribution or Z-distribution, which to use?
If we have the population standard deviation is known, we use the z-distribution.
Otherwise, if we only have the standard deviation for the sample, we use the t-distribution.
Which of the following is not appropriate to use the t-confidence interval for
When the population standard deviation is known, so letter d.
