Haley buys 8 apples for $3 and 3 bananas for $1. What is the ratio of the number of pieces of fruit she buys to the total dollar
2 answers:
Answer:
The ratio of the number of pieces of fruit she buys to the total dollars she spends is 11:4 or 22:8
Step-by-step explanation:
Given : Haley buys 8 apples for $3 and 3 bananas for $1.
To Find : What is the ratio of the number of pieces of fruit she buys to the total dollars she spends?
Solution:
Cost of 8 apples = $3
Cost of 3 bananas = $1
Total cost = $3+$1=$4
Total no. of fruits = 8 Apples + 3 Bananas = 11 Fruits
The number of pieces of fruit she buys to the total dollars she spends =
So, Ratio = 11:4
Another form of answer =
So, Another form of ratio = 22:8
Hence the ratio of the number of pieces of fruit she buys to the total dollars she spends is 11:4 or 22:8
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Answer:
As probability of that happening is very small; Yes, 33.6 is less than 35.6 grams because it provide strong evidence that the mean weight of the bags is lower than the 35.6 grams listed on the package.
Step-by-step explanation:
For a normal distribution Z-score
Given that :
the mean () = 35.6
standard deviation () = 5.2
sample size (n) = 35
standard error:
The probability that a random sample of 35 bags has a mean weight of 33.6 grams or less is :
P(X<33.6) = P(Z < - 2.28)
= 0.0114
Conclusion:
As probability of the happening is very small; Yes, 33.6 is less than 35.6 grams because it provide strong evidence that the mean weight of the bags is lower than the 35.6 grams listed on the package.