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AlexFokin [52]
3 years ago
14

Please dont let this go by.. I really need help

Mathematics
2 answers:
snow_lady [41]3 years ago
8 0
I can help but what do you need to know ?
matrenka [14]3 years ago
3 0

What do you need help with?

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A company surveyed 2,600 North American airline passengers and reported that approximately 75% said that they carry a smartphone
geniusboy [140]

The probability that exactly six out of ten carry a smartphone when travelling is; <u><em>P(6) = 0.146</em></u>

The missing part of the question is;

The probability distribution of x is the binomial distribution with n = 10 and p = 0.75.

Calculate P(6)

  • This is a binomial <em>probability distribution</em> problem that has a general formula as; P(x) = ⁿCₓ × pˣ × q⁽ⁿ ⁻ ˣ⁾

Where;

p is probability of success

q is probability of failure

n is number of experiments

In this question;

n = 10

p = 75% = 0.75

q = 1 - p

q = 1 - 0.75

q = 0.25

Since six passengers are randomly selected, then applying the formula earlier quoted, we have;

P(6) = ¹⁰C₆ × 0.75⁶ × 0.25⁽¹⁰ ⁻ ⁶⁾

P(6) = 0.146

Read more at; brainly.com/question/24239758

4 0
3 years ago
288/32 in simplest form
inn [45]

288/32=144/16=72/8=9

Hope it helps you

5 0
3 years ago
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The main show tank has a radius of 60 feet and forms a quarter-sphere. what is the volume of the quarter-sphere shaped tank? rou
schepotkina [342]
By definition, the volume of a quarter of a sphere is given by:
 V = (1/4) * (4/3) * (\pi) * (r ^ 3)&#10;
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 Substituting values we have:
 V = (1/4) * (4/3) * (3.14) * (60 ^ 3)&#10;
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The volume of the quarter-sphere shaped tank is:
 
V = 226080 feet ^ 3
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Step-by-step explanation:

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I am bored who is at home school online
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me and its boring    :/

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