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Maslowich
3 years ago
9

A 1 =-4; r = - 2, n = 10

Mathematics
2 answers:
xeze [42]3 years ago
7 0
16 hope it’s right :))))))))))
Alja [10]3 years ago
6 0

Answer:

16

Step-by-step explanation:

10 + 6 + 4 (xy-9) quadrupal times equals 16

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Answer:

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6 0
3 years ago
. What is the median of this set of values? 6, 8, 10, 8, 4, 2, 12 4 6 7 8
Naddik [55]

Answer:

7

Step-by-step explanation:

Just put the numbers in order the find the number in the middle in the case that there are to numbers add the together then divide by 2

8 0
3 years ago
A literature professor decides to give a 10-questiontrue-false quiz to determine who has read an as-signed novel. She wants to c
Darya [45]

Answer:

The teacher should set the score 7 as the lowest passing grade.

Step-by-step explanation:

Let <em>X</em> = number of correct guesses.

All the questions are of true-false format.

The probability of getting a correct answer is, <em>p</em> = 0.50.

The total number of questions is, <em>n</em> = 10.

The random variable <em>X</em> follows a Binomial distribution with parameters <em>n</em> = 10 and <em>p </em>= 0.50.

The probability mass function of <em>X</em> is:

P(X=x)={10\chose x}0.50^{x}(1-0.50)^{10-x};\ x=0,1,2,3...

Now the teaches chose the grading scheme such that the probability of passing a student who guesses on every question is less than 0.05.

Then the probability of failing such a students is at least 1 - 0.05 = 0.95.

Compute the probability distribution of <em>X</em>.

Consider the probability distribution attached below.

The value of <em>x</em> for which P (X ≤ x) is at least 0.95 is, <em>x</em> = 7.

So the teacher should set the score 7 as the lowest passing grade.

7 0
2 years ago
for dinner abelita chooses the Italian salad that cost 3.99 before tax and Franco chooses the fettuccine Alfredo that costs $7.1
jolli1 [7]
Abelita and Franco spent $11.74 on food. The sales tax for 5 percent is $56 cents. 

Hope this helped :)
7 0
3 years ago
Read 2 more answers
Which part of the expression is a factor 7(x+8)<br><br> A. 21<br> B.8<br> C. 3x<br> D. 7
Sever21 [200]
It is 7. None of the other ones fit at all
8 0
2 years ago
Read 2 more answers
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