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2 years ago

GIVEING BRALIST

Mathematics

2 answers:

USPshnik [31]2 years ago

6 0

<h2>Answer:</h2>

A GIRL ON HERE NAMED SAMI32390

<h2>Step-by-step explanation:</h2>

amm18122 years ago

6 0

Answer:

Hmmm, this is a hard question loll. I would say my mom because she is always there for me when I’m in need. Also because if It wasn’t for her, there wouldn’t be me today.

Step-by-step explanation:

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The number of accidents that occur at a busy intersection is Poisson distributed with a mean of 4.5 per week. Find the probabili

Mariana [72]

Answer:

a) 0.01111

b) 0.4679

c) 0.33747

Step-by-step explanation:

We are given the following in the question:

The number of accidents per week can be treated as a Poisson distribution.

Mean number of accidents per week = 4.5

$\lambda= 4.5$

Formula:

$P(X =k) = \displaystyle\frac{\lambda^k e^{-\lambda}}{k!}\\\\ \lambda \text{ is the mean of the distribution}$

a) No accidents occur in one week.

$P(x =0)\\\\= \displaystyle\frac{4.5^0 e^{-4.5}}{0!}= 0.01111$

b) 5 or more accidents occur in a week.

$P( x \geq 5) = 1-\displaystyle \sum P(x$

c) One accident occurs today.

The mean number of accidents per day is given by

$\lambda = \dfrac{4.5}{7} = 0.64$

$P(x =1)\\\\= \displaystyle\frac{0.64^1 e^{-0.64}}{1!}= 0.33747$

5 0

2 years ago

Which equation is equivalent to 2x + 10 = 67<br> 2x = 4<br> x + 5 = 3<br> x + 10 = 3<br> 2x + 6 = 10

Julli [10]

Well, ....... X=57/2 or 28.5 but not are equivalent

6 0

3 years ago

Mathematics algebra

Alexxx [7]

Answer:

⇒ $1\frac{1}{3}m-1\frac{1}{2}n-4\frac{1}{2}$

Step-by-step explanation:

$\frac{4m}{3}-\frac{3(n+3)}{2}$
$\frac{4m}{3}-\frac{3n+9}{2}$
$\frac{4m}{3}-\frac{3n}{2}-\frac{9}{2}$
$1\frac{1}{3}m-1\frac{1}{2}n-4\frac{1}{2}$

5 0

3 years ago

30 POINTS!!! PLEASE HURRY!!Which of the following graphs correctly represents x > -1/2

miss Akunina [59]

<h3>Answer: Second graph</h3>

Why? Because we draw a dashed line through x = -1/2 = -0.5 on the horizontal number line (aka x axis). Then we shade to the right of this dashed line. The shaded region represents all points that make the inequality true. For example, the point (0,0) is in the shaded region. It has an x coordinate of x = 0 which is larger than -1/2

Side note: the dashed line says "points on this boundary do not count as solutions". So any point with an x coordinate of -1/2 does not count.

7 0

3 years ago

How can you decide which variable to solve first when you are solving a linear system by substitution

pshichka [43]

I think you need to solve for x first to make the equation easier or simple.

6 0

2 years ago