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3 years ago

Jack goes to a store and selects 2

1 answer:

4 0

For questions like this just multiply the prices by how many they're buying and add all the numbers up and subtract by how much they have to begin with.

Example:

$34.99×2=$69.98

$16.50×3=$49.50

$3.75×4=$15

$69.98+$49.50+$15=$134.48

$134.48-$125=$9.48

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Ten experts rated a newly developed chocolate chip cookie on a scale of 1 to 50. Their ratings were: 34, 35, 41, 28, 26, 29, 32,

miskamm [114]

The mean deviation of the ratings is 4.12

Explanation

The ratings of the ten experts are: 34, 35, 41, 28, 26, 29, 32, 36, 38 and 40

So, the mean of all ratings $=\frac{34+35+41+28+26+29+32+36+38+40}{10}= \frac{339}{10}=33.9$

The formula for Mean deviation $= \sum \frac{|x_{i}- \mu|}{N}$ , where $x_{i}$ is the given data from $i=1$ to $i=10$ , $\mu$ is the mean of the data and $N$ is the total number of data. So.....

$|x_{1}-\mu |= |34-33.9|=0.1\\ |x_{2}-\mu|=|35-33.9|=1.1\\ |x_{3}-\mu |=|41-33.9|=7.1\\ |x_{4}-\mu |=|28-33.9|=5.9\\ |x_{5}-\mu |=|26-33.9|=7.9\\ |x_{6}-\mu |=|29-33.9|=4.9\\|x_{7}-\mu |=|32-33.9|=1.9\\ |x_{8}-\mu |=|36-33.9|=2.1\\ |x_{9}-\mu |=|38-33.9|=4.1\\ |x_{10}-\mu |=|40-33.9|=6.1$

So, the Mean deviation $=\sum \frac{|x_{i}-\mu |}{N}=\frac{0.1+1.1+7.1+5.9+7.9+4.9+1.9+2.1+4.1+6.1}{10} = \frac{41.2}{10}=4.12$

4 0

3 years ago

Help please, would it be the answer choice C or D

UkoKoshka [18]

Answer:

probably C

Explanation:

5 0

3 years ago

Which type of interest is earned on both the principal plus any previous interest earned?

NemiM [27]

Answer:

compound interest

Step-by-step explanation:

The interest charged on the principal for the entire loan term is known as Simple Interest. The interest computed on both principal and the previously earned interest is known as Compound Interest. Compound Interest gives a high return as compared to Simple Interest.

6 0

2 years ago

Check all restrictions on the domain of g circle h. x not-equals 0 x not-equals negative 2 x not-equals negative two-thirds Ther

Eduardwww [97]

Answer: the answer is C

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

3 5/6 : 9 5/6 = Divide using reciprocals

sashaice [31]

Yan po sana makatulpng