Answer:
Step-by-step explanation:
Answer:
(25.732,30.868)
Step-by-step explanation:
Given that in a random sample of 42 people, the mean body mass index (BMI) was 28.3 and the standard deviation was 6.09.
Since only sample std deviation is known we can use only t distribution
Std error =
t critical for 99% two tailed
Margin of error
Confidence interval lower bound =
Upper bound =
Light travels at a speed of 299,792 kilometers per second; 186,287 miles per second. It takes 499.0 seconds for light to travel from the Sun to the Mars a distance called 1 Astronomical Unit.
Answer:
length, width , and perimeter
Step-by-step explanation:
27 8