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2 years ago

Order the events from least likely (1) to most likely (4) PLEASE HELP MEEE:)

Mathematics

1 answer:

Wittaler [7]2 years ago

6 0

1: Least likely is rolling two dice and getting the sum of 1. It’s impossible. 0% chance

2: roll a standard cube and get < 2. 1 in 6 chance, about 16 % chance

3: draw a black card from a standard deck. 50% chance. Half of the cards are black, half are red in a standard deck

4: spinner with 5 sections. You have an 80% chance of spinning 1, 2, 3, or 4

Please let me know if you have any questions.

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From 1965 to 1996 Canadian Gary Duschi made the world's longest gum wrapper chain. It was 18,721 feet long. About how many miles

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3 years ago

A survey is planned to estimate the proportion of voters who support a proposed gun control law. The estimate should be within a

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Complete Question

A survey is planned to estimate the proportion of voters who support a proposed gun control law. The estimate should be within a margin of error of ±5% with 90% confidence, and we do not have any prior knowledge about the proportion who might support the law. How many people need to be included in the sample?

Round your answer up to the nearest integer.

sample size = _____

Answer:

The sample size is $n = 271$

Step-by-step explanation:

From the question we are told that

The margin of error is E = 5% = 0.05

Generally given that there was no prior knowledge about the proportion of who might support the law, we will assume the sample proportion to be

$\^ p = 0.5$

From the question we are told the confidence level is 90% , hence the level of significance is

$\alpha = (100 - 90 ) \%$

=> $\alpha = 0.05$

Generally from the normal distribution table the critical value of $\frac{\alpha }{2}$ is

$Z_{\frac{\alpha }{2} } = 1.645$

Generally the sample size is mathematically represented as

$n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p )$

=> $n = [\frac{1.645 }{0.05} ]^2 * 0.5 (1 - 0.5 )$

=> $n = 271$

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2 years ago

What is 104.35 x 34?

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Answer:

3547.90

Step-by-step explanation:

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2 years ago

If a polynomial has one root in the form a + the square root of B it has a second root in the form of a _ square root of b.

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2 years ago

Read 2 more answers

Find the constant of proportionality (k). Using the value for k, enter an equation in the form of y = kx.

kow [346]

Answer:

k = 4, y = 4x

Step-by-step explanation:

From the question, we get the ratio of :

x : y = 1 : 4

Two variables are proportional to each other if their ration is constant. The constant value is denoted by 'k' and is called as constant of proportionality.

In the question, the two variables are :

x = glasses of lemonade

y = lemons used

From the question, the ratio of y is to x is given by :

y : x is 24 : 6 = 4 : 1 or 24/6 = 4

32 : 8 = 4 : 1 or 32/8 = 4

28 : 7 = 4 : 1 or 28/7 = 4

8 : 2 = 4 : 1 or 8/2 = 4

16 : 4 = 4 : 1 or 16/4 = 4

So here the constant is 4 . Therefore, the constant of proportionality, k is 4.

So we can write the equation as :

y = kx

or y = 4x

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2 years ago