1 year ago

Which expression entered into a graphing calculator will return the probability

Mathematics

1 answer:

pogonyaev1 year ago

4 0

Answer:

It c

Step-by-step explanation:

I have done this before! Have a nice day!

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After calculating the sample size needed to estimate a population proportion to within 0.05, you have been told that the maximum

Svetlanka [38]

Answer: 40000

Step-by-step explanation:

The formula to find the sample size is given by :-

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2$ , where p is the prior estimate of the population proportion.

Here we can see that the sample size is inversely proportion withe square of margin of error.

i.e. $n\ \alpha\ \dfrac{1}{E^2}$

By the equation inverse variation, we have

$n_1E_1^2=n_2E_2^2$

Given : $E_1=0.05$ $n_1=1000$

$E_2=0.025$

Then, we have

$(1000)(0.05)^2=n_2(0.025)^2\\\\\Rightarrow\ 2.5=0.000625n_2\\\\\Rightarrow\ n_2=\dfrac{2.5}{0.000625}=4000$

Hence, the sample size will now have to be 4000.

6 0

1 year ago

Suppose a shipment of 400 components contains 68 defective and 332 non-defective computer components. From the shipment you take

MrRissso [65]

Answer:

mean (μ) = 4.25

Step-by-step explanation:

Let p = probability of a defective computer components = $\frac{68}{400} = 0.17$

let q = probability of a non-defective computer components = $\frac{332}{400} = 0.83$

Given random sample n = 25

we will find mean value in binomial distribution

The mean of binomial distribution = np

here 'n' is sample size and 'p' is defective components

mean (μ) = 25 X 0.17 = 4.25

<u>Conclusion</u>:-

mean (μ) = 4.25

6 0

1 year ago

joe is responsible for reserving hotel rooms for a company trip. His company changes plans and increases how many people are goi

Andreyy89

Answer:

Joe reserves 5 more blocks.

Step-by-step explanation:

50-16=34.

34/8=4.25

You must round up 4.25 to 5 and 16 rooms equal 2 blocks.

7 0

1 year ago

Read 2 more answers

Write the definition of a right angle in BICONDITIONAL form.*

VARVARA [1.3K]

Answer:

A biconditional statement is a combination of a conditional statement and its converse written in the if and only if form. Two line segments are congruent if and only if they are of equal length. ... A biconditional is true if and only if both the conditionals are true. there??

Step-by-step explanation:

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1 year ago

Which function could be shown in the graph below

defon

Answer:

quintic function

Step-by-step explanation:

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1 year ago