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pogonyaev
2 years ago
15

What is the equation of this line in slope-intercept form?

Mathematics
1 answer:
Rudik [331]2 years ago
4 0
The answer is (b) y = 3x + 1
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A random sample of n people selected from a large population will be asked whether they have read a novel in the past year. Let
kozerog [31]

Answer:

b. A binomial variable with 25 independent trials

Step-by-step explanation:

The conducted experiment is binomial experiment because outcome can be divided into success or failure. The success would be the people who read novel in the past year and also responses are independent of each other. We have to find the number of trials n in the given problem.

we are given that variance of R=6 and p=probability of success=0.4.

We know that variance of binomial distribution is

Variance=npq

where q=1-p=1-0.4=0.6.

By putting the values in variance formula, we can get the value of n.

6=n*0.4*0.6

6=0.24*n

n=6/0.24

n=25

Hence, random variable R is a binomial variable with 25 independent trials.

4 0
2 years ago
Subtract --4x2 + 3x - 7 from 8x2 + 2x - 3
r-ruslan [8.4K]

Answer:

23

Steps ig

((8x2) +2x(-3)))-(((-(-4)) x 2) +( 3 x( -7)) =23

5 0
3 years ago
Let p: it is cold, q: it is humid, and r: it is snowing. Which statement represents "It is cold and humid if and only if it is s
MaRussiya [10]

Answer: The answer is (b) [(p∧q)⇒r] ∧ [r⇒(p∧q)].


Step-by-step explanation:  Given that The statements 'p', 'q' and 'r' are defined as follows.

p : it is cold,

q : it is humid,

r : it is snowing.

The statement 'it is cold and humid if and only if it is snowing'  can be written as

(p∧q) ⇔ r.

We know that  r ⇔ s can be written as (r⇒s)∧(s⇒r).

So, (p∧q) ⇔ r can be written as [(p∧q)⇒r] ∧ [r⇒(p∧q)].

Thus, the answer is (b) [(p∧q)⇒r] ∧ [r⇒(p∧q)].



7 0
2 years ago
Read 2 more answers
write a subtraction equation that equals -4 and includes a number divisible by 7 and a number divisible by 2​
horsena [70]
-28-(-24)=-4

14-18=-4

28-32=-4

Any of these should work and there are plenty more that would work as well
5 0
3 years ago
What is 12 x -4 divided by 16
jeka94
12 x -4= -48÷16 equal -3
6 0
3 years ago
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