Darcy Places 57 Equal Sized Bags Of Rice Onto 3 Shelves At The Fiod Bank the total weight of rice is 54.72 Pounds What Is The We
1 answer:
Weight of each bag is: 0.96 pounds
Step-by-step explanation:
The weight of one bag will be obtained by dividing total weight by the number of bags.
Given
Total bags = 57
Weight of 57 bags = 54.72 pounds
So,
Weight of each bag is: 0.96 pounds
Keywords: Division, Conversions
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Answer:
Standard deviation of the sample = 17.421
Step-by-step explanation:
We are given that in a random sample of 80 teenagers, the average number of texts handled in one day is 50.
Also, the 96% confidence interval for the mean number of texts handled by teens daily is given as 46 to 54.
So, sample mean, = 50 and Sample size, n = 80
Let sample standard deviation be s.
96% confidence interval for the mean number of texts, is given by ;
96% confidence interval for =
[46 , 54] =
Since lower bound of confidence interval = 46
So, 46 =
50 - 46 =
s = = 17.421
Therefore, standard deviation of the sample is 17.421 .