The students need to order balloons. Supplier A offers 1,000 balloons for $29. Supplier B sells 60 dozen balloons for $20. Which supplier offers the lower price per balloon and how much does that supplier charge per balloon?

Supplier B, and 1/36 $ or 0.02(7)

Step-by-step explanation:

Supplier A

To find the price of 1 balloon, it'd be $/balloons. By this logic, one balloon would be 29/1000 $ or 0.029$.

Supplier B

One dozen is 12, 60*12=720, to find the price of one balloon, we'll use the equation we found earlier, $/balloons. That would equate the price of 1 balloon to 20/720, or 1/36 $, or 0.02(7).

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;

substitute,

circle 1 = 5

circle 2 = 20

circle 3 = 44

in this case no matter how you add, you will always get a perfect square..

hence proved

happy to

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