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m_a_m_a [10]
3 years ago
5

Find 83 1/3% of 384 i really need help in this question

Mathematics
2 answers:
sleet_krkn [62]3 years ago
8 0
I think the answer is 319.872

Law Incorporation [45]3 years ago
6 0

Answer:

320 is the correct answer.

Step-by-step explanation:

Given : 83\frac{1}{3}% of 384.

To find : solve .

Solution : We have given A number 384

83\frac{1}{3}% of 384.

Convert  83\frac{1}{3} in to improper fraction .

\frac{250}{3} % of 384

\frac{250}{3*100} * 384.

\frac{96000}{300}.

\frac{96}{3}.

320

Therefore, 320 is the correct answer.

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Based on a​ poll, among adults who regret getting​ tattoos, 1212​% say that they were too young when they got their tattoos. Ass
photoshop1234 [79]

Answer:

0.3165

Step-by-step explanation:

This is a binomial distribution problem

Binomial distribution function is represented by

P(X = x) = ⁿCₓ pˣ qⁿ⁻ˣ

n = total number of sample spaces = number of adults sampled = 9

x = Number of successes required = number of selected adults that say they were too young to get tattoos = 0

p = probability of success = probability of an adult that regrets getting a tattoo saying they were too young to get the tattoo = 12% = 0.12

q = probability of failure = 1 - p = 1 - 0.12 = 0.88

P(X=0) = ⁹C₀ (0.12)⁰ (0.88)⁹⁻⁰

P(X=0) = 0.31647838183 = 0.3165

Hope this Helps!!!

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3 years ago
How much of the circle is shaded? Write your answer as a fraction in simplest form.
jek_recluse [69]
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3 years ago
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PLEASE HELP ASAP (timed) <br> Twice the sum of the square of 12 and five
Dmitry [639]

(12^2 + 5) x 2

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3 years ago
Consider independent simple random samples that are taken to test the difference between the means of two populations. The varia
Arturiano [62]

Answer:

d. t distribution with df = 80

Step-by-step explanation:

Assuming this problem:

Consider independent simple random samples that are taken to test the difference between the means of two populations. The variances of the populations are unknown, but are assumed to be equal. The sample sizes of each population are n1 = 37 and n2 = 45. The appropriate distribution to use is the:

a. t distribution with df = 82.

b. t distribution with df = 81.

c. t distribution with df = 41.

d. t distribution with df = 80

Solution to the problem

When we have two independent samples from two normal distributions with equal variances we are assuming that  

\sigma^2_1 =\sigma^2_2 =\sigma^2

And the statistic is given by this formula:

t=\frac{(\bar X_1 -\bar X_2)-(\mu_{1}-\mu_2)}{S_p\sqrt{\frac{1}{n_1}+\frac{1}{n_2}}}

Where t follows a t distribution with n_1+n_2 -2 degrees of freedom and the pooled variance S^2_p is given by this formula:

\S^2_p =\frac{(n_1-1)S^2_1 +(n_2 -1)S^2_2}{n_1 +n_2 -2}

This last one is an unbiased estimator of the common variance \sigma^2

So on this case the degrees of freedom are given by:

df= 37+45-2=80

And the best answer is:

d. t distribution with df = 80

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3 years ago
Find the sum of 10 + 5i and its complex conjugate.<br> Write your answer in the form a + bi
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Step-by-step explanation:

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