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Solnce55 [7]
3 years ago
15

A psychologist is interested in constructing a 99% confidence interval for the proportion of people who accept the theory that a

person's spirit is no more than the complicated network of neurons in the brain. 64 of the 708 randomly selected people who were surveyed agreed with this theory. Round answers to 4 decimal places where possible. a. With 99% confidence the proportion of all people who accept the theory that a person's spirit is no more than the complicated network of neurons in the brain is between and . b. If many groups of 708 randomly selected people are surveyed, then a different confidence interval would be produced from each group. About percent of these confidence intervals will contain the true population proportion of all people who accept the theory that a person's spirit is no more than the complicated network of neurons in the brain and about percent will not contain the true population propo
Mathematics
1 answer:
Leona [35]3 years ago
4 0

Answer:

B is correct i think

Step-by-step explanation:

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4th term of (4x-y)^9
Neko [114]
Now, let's do the same as we did for the previous one here.

\bf (4x-y)^9\implies 
\begin{array}{llll}
term&coefficient&value\\
-----&-----&-----\\
1&+1&(4x)^9(-y)^0\\
2&+9&(4x)^8(-y)^1\\
3&+36&(4x)^7(-y)^2\\
4&+84&(4x)^6(-y)^3
\end{array}

notice again, how did we get 84 for the 4th element's coefficient? well 36 * 7 / 3.  and so on.  And you can just expand it from there.
3 0
4 years ago
Solve the equation and check your solution. (If there is no solution, enter NO SOLUTION.) (4x − 6) divided by (4x+3) = 2/3
iren [92.7K]

\frac{4x-6}{4x+3} = \frac{2}{3}  \\  \\ 3(4x-6) = 2(4x+3)  \\  \\ 12x - 18 = 8x +6 \\  \\ 4x = 24 \\  \\ x = 6
8 0
3 years ago
What is the largest integer that is below square root of 28?
Kryger [21]
Sqrt28 = 5.2915~
largest integer below = 5
(round down)
4 0
3 years ago
Read 2 more answers
A two digit number is chosen at random. funny the probability that the number is less than 20​
spin [16.1K]

Answer:

2/20

probability =1/10

3 0
3 years ago
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Vidriana rolled a number cube 96 times. Her results are shown in the table, what is the experimental probability of rolling an e
hichkok12 [17]

Answer:

50/96

Step-by-step explanation:

I assume the table is:

\left[\begin{array}{cc}Result&Total\\1&15\\2&13\\3&16\\4&17\\5&15\\6&20\end{array}\right]

Even numbers are 2, 4, and 6.  The total number of times she rolled an even number is 13 + 17 + 20 = 50.

So the probability is 50/96.

7 0
3 years ago
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