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2 years ago

HELPP MEE (this is 6th grade math btw))

Mathematics

2 answers:

a_sh-v [17]2 years ago

8 0

Answer:

Q: Which picture shows a tray of muffins that is 1/3 full?

Answer:

Hope it helps and have a great night! =D

maxonik [38]2 years ago

3 0

Answer:

The one on the top right
⊕⊕⊕⊕
O O O O

O O O O

Step-by-step explanation:

Total space for muffins: 3*4=12

Filled: 4

4/12=1/3

Hope this helps!

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18 tens 20 ones equal what hundreds

uysha [10]

200 is the answer so it would equal to 2 hundreds

8 0

3 years ago

What is the cube root of -1/512

Stella [2.4K]

Answer:

$-\frac{1}{8}$

Step-by-step explanation:

$\sqrt[3]{-\frac{1}{512}}=\frac{\sqrt[3]{-1}}{\sqrt[3]{512}}=\frac{-1}{8}=-\frac{1}{8}$

7 0

2 years ago

A real estate agent has 19 properties that she shows. She feels that there is a 30% chance of selling any one property during a

netineya [11]

Answer:

$P(X \geq 5)=1-P(X$

We can find the individual probabilities:

$P(X=0)=(19C0)(0.3)^0 (1-0.3)^{19-0}=0.00114$

$P(X=1)=(19C1)(0.3)^1 (1-0.3)^{19-1}=0.0092$

$P(X=2)=(19C2)(0.3)^2 (1-0.3)^{19-2}=0.0358$

$P(X=3)=(19C3)(0.3)^3 (1-0.3)^{19-3}=0.0869$

$P(X=4)=(19C4)(0.3)^4 (1-0.3)^{19-4}=0.1491$

And replacing we got:

$P(X \geq 5) = 1-[0.00114+0.009282+0.0358+0.0869+0.149]= 0.7178$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=19, p=0.3)$