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shtirl [24]
2 years ago
13

Connor Drosick loves pretzels and takes a bag to work each day. He recently purhcased a 32-ounce bag for 1.99. determine the uni

t price
Mathematics
1 answer:
aniked [119]2 years ago
4 0
0.0621875 dollars per ounce
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In class A, John got 85 for his first test John's class mean was 75 and standard deviation was 5. In class B, Kathy got 80 in he
ivanzaharov [21]

Answer:

b. Kathy

Step-by-step explanation:

We compare each of their score by how far away from the mean when in term of the standard deviation. Using the following formula

\frac{x - \mu}{\sigma}

For John he is (85 - 75)/5 = 2.

For Kathy she is (80 - 50)/10 = 3.

Since Kathy is 3 standard deviation better than her class' average, while John is only 2's. We conclude that Kathy did better.

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2 years ago
Which of the following is(are) true? I. The mean of a population depends on the particular sample chosen. II. The standard devia
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Answer:

II and III

Step-by-step explanation:

From statement II in the question, it is true that the standard deviations of two different samples from the same population may be the same. The population standard deviation is a fixed value calculated from every individual in the population.  A sample standard deviation is calculated from only some of the individuals in a population.

Also from statement III, it is true that statistical inferences can be used to draw conclusions about the populations based on sample data. The mean of a population does not necessarily depends on the particular sample chosen. Therefore statement I is false.  

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2 years ago
Write the steps for how to use a number line to multiply a 2 digit number by 20. Give an example
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Draw the number line then put the numbers on the number line by twos. Fore example, 2-4-6-8-10
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A medical clinic is reducing the number of incoming patients by giving vaccines before flu season. During week 5 of flu season,
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Step-by-step explanation:

i guessed ngl.. but it was right.

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