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Bumek [7]
3 years ago
8

Item 18

Mathematics
1 answer:
Ivanshal [37]3 years ago
4 0

Answer:

141 bunches, 7 flowers left

Step-by-step explanation:

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On day two of a study on body temperatures, 106 temperatures were taken. Suppose that we only have the first 10 temperatures to
NemiM [27]

Answer:

The 95% confidence interval for the mean of all body temperatures is between 97.76 ºF and 99.12 ºF

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 10 - 1 = 9

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 9 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.2622

The margin of error is:

M = T*s = 2.2622*0.3 = 0.68

In which s is the standard deviation of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 98.44 - 0.68 = 97.76 ºF

The upper end of the interval is the sample mean added to M. So it is 98.44 + 0.68 = 99.12 ºF

The 95% confidence interval for the mean of all body temperatures is between 97.76 ºF and 99.12 ºF

4 0
3 years ago
This data set represents the number of cups of flour used in different recipes.
kipiarov [429]

Answer:

<h3>QUESTION;</h3>

This data set represents the number of cups of flour used in different recipes.

What is the mean of this data set?

{12, 13, 23, 112}

Enter your answer as a fraction in simplest form in the box.

___ cups

<h3>ANSWER</h3><h3> 13 po </h3>

Step-by-step explanation:

<h3>#Carryonlearing</h3>
6 0
2 years ago
Read 2 more answers
An online t-shirt store is having a sale. The original price of each t-shirt is p dollars. The store sells 20 t shirts and earns
SVETLANKA909090 [29]
20 (p-3) is the anwser
3 0
3 years ago
The area, A, of a triangle is 15.3 square centimeters. Its base, b, is
viva [34]

Answer:

Questions 13-15 will all be related to the same situation.

A food pantry is making packages. Each package weighs 64 pounds. Each package contains 4 boxes. Each box contains a 7-pound bag of beans and a bag of rice. The bags of rice are all identical.

Which equation accurately represents this situation?

Step-by-step explanation:

8 0
3 years ago
Pedro has a student loan of $62,845. This loan has a simple interest rate of 7% per year. What is the amount of interest that Pe
Nat2105 [25]
I believe it would be $4,399.15 because if you use the formula I=P*R*T
P=62,845
R=0.07 or 7%
T=1 year period
So overall your equation is 62845*0.07*1=$4,399.15
Now at this point the interest is added onto the principal amount to figure out some new amount after one year so:
62845.00+4399.15=$67,244.15
6 0
3 years ago
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