Noah picked 3 kg of cherries. Mai picked half as many cherries as Noah. How many total kg of cherries did Mai and Noah pick?
1 answer:
Answer:
<h2>They picked 4 and one half kilograms of cherries.</h2>Step-by-step explanation:
<h3>We know that:</h3>Cherries picked by Noah:
Cherries picked by Mai: , because she picked half as many cherries as Noah.
Therefore, the total number of cherries would be the sum of Noah's cherries and Mai's cherries:
So, they picked 4 and one half kilograms of cherries.
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Answer: D)
Step-by-step explanation:
As per given , we have
Sample size : n= 15
sample mean :
Sample standard deviation: s= $20
Since population standard deviation is unknown , so we use t-test.
Significance level for 95% confidence :
Critical t-value : [Using students' t-value table]
Required 95% Confidence interval :-
Hence, the required 95% confidence interval for the mean amount its credit card customers spent on their first visit to the chain's new store in the mall assuming that the amount spent follows a normal distribution.: