Answer:
25.5 days
Step-by-step explanation:
Mean number of days (μ) = 22 days
Standard deviation (σ) = 6 days
Z-score for the 72nd percentile (according to tabulated values) = 0.583
The z-score for any number of days, X, is determined by:
The value of X that is greater than 72% of the trial times is:
Therefore, 72% of all of these types of trials are completed within 25.5 days.
Answer:
141.4
Step-by-step explanation:
Plug the numbers into the formula, V=πr2h, you know that your radius is 3 and your height is 5, so you get V=π(3)2(5), you just then put it in the calculator. You get 141.37, round to the nearest tenth 141.4
Answer:
i used calculator and got 1
Step-by-step explanation:
Answer:
$6.43
Step-by-step explanation:
You start by multiplying $1.49 by 5 because you bought 5 cartons for $1.49, that would equal $7.45. Then, you multiply $3.06 by 2 because you bought 2 gallons, and you will get $6.12. Then you add both answers: $7.45 and $6.12. And you will get $13.57. Then, you hand him a $20, so $20 minus $13.57 equals $6.43! Please mark as brainliest! I worked hard! Plus hope this helps =)
