2b^2. This is because you have a positive a^2 and a negative so they cross it one another so it just leaves the b’s.
Answer:
Step-by-step explanation:
A. Two measurements(AandB)are taken on the same round.\oIs there a difference in the measurement of the muzzle velocity between device A and device B at the α=0.01 level of significance? Note: A normal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no outliers.
B. Construct a 99% confidence interval about the population mean difference. Compute the difference as device A minus device B. Interpret your results. The confidence interval is (__,__)?
Answer:
Open chart in StatCrunch --- Stat --- T Stats --- Paired --- Enter values: Sample 1 = A, Sample 2 = B --- Click on Confidence Interval… and enter Level which is my #%. --- Compute
Answer:
= 11-33+7
= 11+7-33
= 18-33
= -15
Step-by-step explanation:
if we multiple + by - then it becomes -
if we multiple - by - then it becomes +
by this way I have done
I hope this will help u .
You have to divide the second fractions by the first fraction to get the answer