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Aleksandr [31]
3 years ago
13

Classify the following type of

Mathematics
1 answer:
larisa86 [58]3 years ago
6 0
Year is Quantitative since you can attach a number to it.
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Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. Wh
Alinara [238K]
There are 20 C3 possible ways to choose 3 books to read.
There are 5 C3 possible ways to choose 3 mysteries to read.
The probability that Mariah will not choose all mysteries can be expressed as 1-5C3/20C3.  (These 3 Choices Are True)

There are 1 C3 possible ways to choose 3 books that are not all mysteries.
The probability that Mariah will choose 3 mysteries can be expressed as 1/5C3.
(These 2 Choices Are False)
Hope This Helps
7 0
3 years ago
Read 2 more answers
Canada has a population of 1/10 as large as the United States and Canada population is about 32 million about how many people li
Jlenok [28]

Answer:

Step-by-step explanation: If Canada(C) is 32,000,000 and America is A and C x 10 = A then 32,000,000 x 10 = A

And to multiply any whole number by 10 you just add a zero to the end so

320,000,000  is the answer which is pronounced "Three hundred twenty million" And there is 7 zeros in the answer

hope this helps mark me brainliest

6 0
3 years ago
Announcements for 84 upcoming engineering conferences were randomly picked from a stack of IEEE Spectrum magazines. The mean len
Marina86 [1]

Answer:

Step-by-step explanation:

Hello!

You need to construct a 95% CI for the population mean of the length of engineering conferences.

The variable has a normal distribution.

The information given is:

n= 84

x[bar]= 3.94

δ= 1.28

The formula for the Confidence interval is:

x[bar]±Z_{1-\alpha/2}*(δ/n)

Lower bound(Lb): 3.698

Upper bound(Ub): 4.182

Error bound: (Ub - Lb)/2 = (4.182-3.698)/2 = 0.242

I hope it helps!

6 0
3 years ago
Evaluate each of the following expressions for x = 16 and y = 4.
Contact [7]
Not to good with math but the answer may be B
6 0
3 years ago
Please help for this question
kogti [31]
First you need to subtract the 29 and the 8 - equals 21
 Then you subtract 7 and 4- equals 3 
Lastly divide 21 and 3 and get the answer which is 7
Hope this helps.
8 0
2 years ago
Read 2 more answers
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