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4 years ago

Can someone pls help me with this other problem??

Mathematics

2 answers:

Paraphin [41]4 years ago

6 0

Answer:

Up 2, Left 1 is $\frac{2}{-1}$ or just -2.

balu736 [363]4 years ago

4 0

The slope of this is -2. Use rise/run. as the formula.

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CCA has stated in 2017 that 36.5 % of its students are first generation college students.Suppose you sample 15 CCA students and

nignag [31]

Answer:

Step-by-step explanation:

The formula for binomial distribution is expressed as

P(x = r) = nCr × p^r × q^(n - r)

Where

x represent the number of successes.

p represents the probability of success.

q = (1 - p) represents the probability of failure.

n represents the number of trials or sample.

From the information given,

p = 36.5% = 36.5/100 = 0.365

q = 1 - p = 1 - 0.365

q = 0.635

n = 15

a) P(x = 0) = 15C0 × 0.365^0 × 0.635^(15 - 0) = 0.0011

P(x = 1) = 15C1 × 0.365^1 × 0.635^(15 - 1) = 0.0095

P(x = 2) = 15C2 × 0.365^2 × 0.635^(15 - 2) = 0.038

P(x = 3) = 15C3 × 0.365^3 × 0.635^(15 - 3) = 0.095

P(x = 4) = 15C4 × 0.365^4 × 0.635^(15 - 4) = 0.16

P(x = 5) = 15C5 × 0.365^5 × 0.635^(15 - 5) = 0.21

k P(X = k)

0 0.0011

1 0.0095

2 0.038

3 0.095

4 0.16

5 0.21

b) mean = np = 15 × 0.365 = 5.475

c) standard deviation = √npq

= √15 × 0.365 × 0.635

= 1.86

d) z = (x - mean)/standard deviation

x = 2

z = (2 - 5.475)/1.86 = - 1.87

6 0

3 years ago

I need the answer fast pls

Alja [10]

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3 years ago

Kelly rode her bicycle for 35 minutes at a speed of 12 miles per hour. At that speed, how many miles did she ride?

ikadub [295]

It is 384 hope that helps!

3 0

3 years ago

Answer two questions about Equations AAA and BBB: \begin{aligned} A.&&\dfrac x4+1&=-3 \\\\ B.&&x+4&=-12

luda_lava [24]

The given equations are as follows

$\begin{aligned} A.&&\dfrac x4+1&=-3 \\\\ B.&&x+4&=-12 \end{aligned}$

(1) First, multiply both sides of equation A by 4, we have

$4\times\left(\frac{x}{4} +1\right)=4\times(-3)$

Then, rewrite the left-hand side of the above equation by using the distributive property, we have

$4\times\frac{x}{4}+4\times1=4(-3)$

$\Rightarrow x+4=-12$

This is the required equation B.

In this way, first use choice D: Multiply both sides by the same non-zero constant, i.e 4.

Then, apply choice A to solve the equation, i.e using the distributive property to solve the left-hand side of the equation.

(2) In the previous answer, equation B has been derived from equation A, hence, both the equations are equivalent.

As both the equations are the same, so both will have the same solution.

Yes, they have the same solution.

3 0

3 years ago

A fair owner made 60 dollars when a group of 10 people entered what is a rate of dollar per person

olga55 [171]

Answer:

Step-by-step explanation:

60$

10 people

how much does each person bring so 60/10

8 0

3 years ago

Read 2 more answers