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3 years ago

Which area model represents 0.4 x 0.7 = 0.28?

Mathematics

1 answer:

sammy [17]3 years ago

8 0

Answer:

the one with pink and white at the top, and the same one with purple and blue on the bottom

Step-by-step explanation:

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According to a survey, 29% of people carry at least 1 reusable water bottle. If 5 people are selected randomly, what is the prob

Nitella [24]

Answer:

0.4 is the probability that at least 2 out of 5 will be carrying a reusable water bottle

Step-by-step explanation:

We are given the following information:

We treat people carrying at least 1 reusable water bottle as a success.

P(people carry at least 1 reusable water bottle) = 29% = 0.29

Then the number of people follows a binomial distribution, where

$P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}$

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 5

We have to evaluate:

$P(x \geq 2) =1- P(x < 2) \\=1 - \binom{5}{0}(0.29)^0(1-0.29)^5 + \binom{5}{1}(0.29)^1(1-0.29)^4\\=1- 0.1804 - 0.3684\\= 0.4512\\\approc 0.4$

0.4 is the probability that at least 2 out of 5 will be carrying a reusable water bottle

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Find the gcf of X^2-5x

Fofino [41]

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There are 160 pink and blue balloons at the party store. 56 of the balloons are blue. What percentage of the balloons are pink?

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160 - 56 = 104 pink ballons

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4 years ago

Identify all of the following solutions of square root of x plus 10 end root minus 4 equals x.

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Step-by-step explanation:

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40+30+10 in commutative property

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Answer:

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Step-by-step explanation:

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Answered by Gauthmath

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3 years ago

Which area model represents 0.4 x 0.7 = 0.28?​

Which area model represents 0.4 x 0.7 = 0.28?