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mr_godi [17]
2 years ago
7

PLEASE PLEASE HELP IM BEGGING

Mathematics
1 answer:
lesantik [10]2 years ago
6 0
Density = mass / volume.

Book density = 2000 grams / cm^3

Apple volume = 125 mL

Football mass = 400g

Gold density = 20 grams / cm^3

Soup volume = 200 cm^3

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According to a study done by a university​ student, the probability a randomly selected individual will not cover his or her mou
Anon25 [30]

 Let X be a discrete binomial random variable.
 Let p = 0.267 be the probability that a person does not cover his mouth when sneezing.
 Let n = 18 be the number of independent tests.
 Let x be the number of successes.
 So, the probability that the 18 individuals, 8 do not cover their mouth after sneezing will be:

 a) P (X = 8) = 18! / (8! * 10!) * ((0.267) ^ 8) * ((1-0.267) ^ (18-8)).
 P (X = 8) = 0.0506.

 b) The probability that between 18 individuals observed at random less than 6 does not cover their mouth is:

 P (X = 5) + P (X = 4) + P (X = 3) + P (X = 2) + P (X = 1) + P (X = 0) = 0.6571.

 c) If it was surprising, according to the previous calculation, the probability that less than 6 people out of 18 do not cover their mouths is 66%. Which means it's less likely that more than half of people will not cover their mouths when they sneeze.
4 0
2 years ago
Is this a function?
liraira [26]

Answer:

nope

Step-by-step explanation:

5 0
3 years ago
9 Peter walked 8,900 feet from home to school.
kow [346]

\bf \begin{array}{ccll} miles&feet\\ \cline{1-2} 1&5280\\ x&8900 \end{array}\implies \cfrac{1}{x}=\cfrac{5280}{8900}\implies 8900=5280x \\\\\\ \cfrac{8900}{5280}=x\implies 1.6856\approx x\implies \stackrel{\textit{rounded up}}{1.7=x}

4 0
3 years ago
Read 2 more answers
Terrance and his family are planning how to pay for his college education. The cost of tuition at his chosen college is $14,500
Finger [1]

Answer:

terrence will have to play 2900

Step-by-step explanation:

80% * 14500

14500-11600

2900

6 0
3 years ago
Jeanette can make 22 pompoms in 6 hours. If she works 18 hours, how many pompoms can she make?
Archy [21]
6 x 3= 18 hour
3 x 22= 66 pompoms
7 0
2 years ago
Read 2 more answers
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