The Burns family went to breakfast at the huddle house. Mr. Burns ordered a meal for $7.75, Mrs. Burns ordered a meal for $ 9.50
2 answers:
Answer:
The bill Excluding tax was $41.64
Step-by-step explanation:
Price of food ordered by Mr.Buns = $7.75
Price of food ordered by Mrs. Buns = $9.50
Price of food for each kid = $3.49
Price of meal for 4 kids =
Total cost for family = 7.75+9.50+3.49+13.96 =$34.7
They left a 20% tip.
So, Amount of tip =
So, Total cost including tip = 6.94+34.7 =41.64
Hence the bill Excluding tax was $41.64
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Answer:
Approximately normal for large sample sizes
Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean and standard deviation
, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean
and standard deviation
.
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
In this question:
The distribution is unknown, so the sampling distribution will only be approximately normal when n is at least 30.
So the correct answer should be:
Approximately normal for large sample sizes