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3 years ago

7

The amazon river is about 6,516 kilometers long the mississipi river is about 3,775 kilometers long what is the difference in ki

lometers between these two lenghts

1 answer:

MrMuchimi3 years ago

4 0

6,516 - 3,775 = 2,741 kilometers

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Assume that a procedure yields a binomial distribution with a trial repeated n = 5 times. Use some form of technology to find th

Digiron [165]

Answer:

$P(X = 0) = 0.0263$

$P(X = 1) = 0.1407$

$P(X = 2) = 0.3012$

$P(X = 3) = 0.3224$

$P(X = 4) = 0.1725$

$P(X = 5) = 0.0369$

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

In this problem we have that:

$n = 5, p = 0.517$

Distribution

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 0) = C_{5,0}.(0.517)^{0}.(0.483)^{5} = 0.0263$

$P(X = 1) = C_{5,1}.(0.517)^{1}.(0.483)^{4} = 0.1407$

$P(X = 2) = C_{5,2}.(0.517)^{2}.(0.483)^{3} = 0.3012$

$P(X = 3) = C_{5,3}.(0.517)^{3}.(0.483)^{2} = 0.3224$

$P(X = 4) = C_{5,4}.(0.517)^{4}.(0.483)^{1} = 0.1725$

$P(X = 5) = C_{5,5}.(0.517)^{5}.(0.483)^{0} = 0.0369$

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3 years ago

if a normal distribution has a mean of 154 and a standard deviation of 15, what is the value that has a z-score of 3.6?

MariettaO [177]

Answer:

77 maybe

sorry if I get it wrong

3 0

2 years ago

Read 2 more answers

Aliun [14]

Hello from MrBillDoesMath!

Answer:

(x^4-2) (x^4 -1)

Discussion:

Let u = x^4, then

x^8 - 3x^4 + 2

= u^2 - 3u + 2

= (u -2) ( u -1)

= (x^4-2) (x^4 -1)

Thank you,

MrB

8 0

3 years ago

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To the nearest hundredth, find the lengths of the diagonals of parallelogram ABCD

adell [148]

Answer:

The answer is C. AC = 2.83, BD = 4.47

Step-by-step explanation:

EDGE2020

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3 years ago

A bag contains 26 tiles with letters A throughly Z. Find the probability of drawing two vowels with replacement. Find the probab

vaieri [72.5K]

P(Vowel)=5/26
P(2 vowels with replacement)= (5/26)^2
= 25/676
=0.037
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=20/650
=0.031
The first event is independent
The second event is dependent

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3 years ago