Answer:
The margin of error for the true mean number of hours a teenager spends on their phone is of 0.4 hours a day.
Step-by-step explanation:
We have the standard deviation of the saple, so we use the t-distribution to solve this question.
The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So
df = 50 - 1 = 49
95% confidence interval
Now, we have to find a value of T, which is found looking at the t table, with 49 degrees of freedom(y-axis) and a confidence level of
. So we have T = 2
The margin of error is:

In which s is the standard deviation of the sample and n is the size of the sample.
The margin of error for the true mean number of hours a teenager spends on their phone is of 0.4 hours a day.
The answer would be 100 because when dividing 100 to 1.008 you would move the decimal to the left two places for it to be a true statement.
Answer:
6/36 = 1/6
Step-by-step explanation:
There are a total of 6 x 6 = 36 possible outcomes when a fair die is rolled twice. Of the 36 possible outcomes, there are 6 doubles: 1-1, 2-2, 3-3, 4-4, 5-5, and 6-6.
A - ዪሁቿ ኗዐ ነጕዪዪዪፕ ነጕዪዪዪፕ, ፕዘልፕ ዪሁፕ ኗዐ ጌዪዪዪዪ ጌዪዪዪዪዪ,
B-ነዐነሁጋሸሸክነጕጌጕጕዕልጋዕሸጋጠነቿጕዕጋነክነጕዕጕሸክዕጠሸጕልጕቿነጕነጎቿጋዕጕነዐነጋዕጕልጕነጋጊጌነጠሠዐነጋነክዕክክ hope this helped! :)
Answer- Gallons
Explanation
The most reasonable answer would be gallons because think about it in static’s when they use cups, gallons, pints etc to compare how much water you use they always use the term gallons.
Hope this helps!