-
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- Prealgebra
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- Averages and probability
A bowl of Halloween candy contains
chocolate candies and
lemon candies. Tanya will choose one piece of candy at random.
ⓐ Find the probability Tanya will choose a chocolate candy.
ⓑ Convert the fraction to a decimal.
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Dan has
pairs of black socks and
pairs of blue socks. He will choose one pair at random to wear tomorrow.
ⓐ Find the probability Dan will choose a pair of black socks
ⓑ Convert the fraction to a decimal.
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Key concepts
-
Calculate the mean of a set of numbers.
- Write the formula for the mean
- Find the sum of all the values in the set. Write the sum in the numerator.
- Count the number, n, of values in the set. Write this number in the denominator.
- Simplify the fraction.
- Check to see that the mean is reasonable. It should be greater than the least number and less than the greatest number in the set.
-
Find the median of a set of numbers.
- List the numbers from least to greatest.
- Count how many numbers are in the set. Call this
.
- Is
odd or even?
If
is an odd number, the median is the middle value.
If
is an even number, the median is the mean of the two middle values
-
Identify the mode of a set of numbers.
- List the data values in numerical order.
- Count the number of times each value appears.
- The mode is the value with the highest frequency.
Practice makes perfect
Calculate the Mean of a Set of Numbers
In the following exercises, find the mean.
Four girls leaving a mall were asked how much money they had just spent. The amounts were
,
,
, and
. Find the mean amount of money spent.
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The number of minutes it took Jim to ride his bike to school for each of the past six days was
,
,
,
,
, and
. Find the mean number of minutes.
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Norris bought six books for his classes this semester. The costs of the books were
,
,
,
,
, and
. Find the mean cost.
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The top eight hitters in a softball league have batting averages of
,
,
,
,
,
,
, and
. Find the mean of the batting averages. Round your answer to the nearest thousandth.
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Find the Median of a Set of Numbers
In the following exercises, find the median.
Questions & Answers
Discuss the differences between taste and flavor, including how other sensory inputs contribute to our perception of flavor.
taste refers to your understanding of the flavor . while flavor one The other hand is refers to sort of just a blend things.
Faith
While taste primarily relies on our taste buds, flavor involves a complex interplay between taste and aroma
Kamara
which drugs can we use for ulcers
Omeprazole
Cimetidine / Tagament
For the complicated once ulcer - kit
Patrick
what is the function of lymphatic system
to drain extracellular fluid all over the body.
asegid
The lymphatic system plays several crucial roles in the human body, functioning as a key component of the immune system and contributing to the maintenance of fluid balance. Its main functions include:
1. Immune Response: The lymphatic system produces and transports lymphocytes, which are a type of
asegid
to transport fluids fats proteins and lymphocytes to the blood stream as lymph
Adama
Anatomy is the identification and description of the structures of living things
Kamara
what's the difference between anatomy and physiology
Anatomy is the study of the structure of the body, while physiology is the study of the function of the body. Anatomy looks at the body's organs and systems, while physiology looks at how those organs and systems work together to keep the body functioning.
AI-Robot
what is enzymes all about?
Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can cause health problems
Kamara
how does the stomach protect itself from the damaging effects of HCl
little girl okay how does the stomach protect itself from the damaging effect of HCL
Wulku
it is because of the enzyme that the stomach produce that help the stomach from the damaging effect of HCL
Kamara
function of digestive system
function of digestive
Ali
what is the normal body temperature
please why 37 degree selcius normal temperature
Mark
the normal temperature is 37°c or 98.6 °Fahrenheit is important for maintaining the homeostasis in the body
the body regular this temperature through the process called thermoregulation which involves brain skin muscle and other organ working together to maintain stable internal temperature
Stephanie
anaemia is the decrease in RBC count hemoglobin count and PVC count
Eniola
what is the pH of the vagina
how does Lysin attack pathogens
Diya
I information on anatomy position and digestive system and there enzyme
anatomy of the female external genitalia
Organ Systems Of The Human Body (Continued)
Organ Systems Of The Human Body (Continued)
what's lochia albra
Kizito
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Source:
OpenStax, Prealgebra. OpenStax CNX. Jul 15, 2016 Download for free at http://legacy.cnx.org/content/col11756/1.9
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