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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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Help me plsss i need it quick
stich3 [128]
The slope is -5/4

Slope formula being y2-y1/x2-x1 = 7-(-3)/-9-(-1)
4 0
3 years ago
Evaluate −6a^3+8a^2+8a+1, when a=5.
EastWind [94]

Answer:

-509

Step-by-step explanation:

1. Subsitute 5 for a in the expression.  -6(5)^3+8(5)^2+8(5)+1

2. -6(125)+8(25)+40+1

3. -750+200+41

4. -509

8 0
3 years ago
Help please <br>what is 3/4×5/7 =​
vesna_86 [32]

Answer:

15/28 simplified to 5/8 (credit to other answer.)

Step-by-step explanation:

Multiply the top numbers 3*5 which equals 15 and then multiply the bottom numbers 4 and 7 for 28. Put 15 over 28.

5 0
3 years ago
What is the solution of the following trig equation: tan(theta)(csc(theta)+2)=0
gtnhenbr [62]
D:\theta\neq\frac{k\pi}{2};\ k\in\mathbb{Z}\\\\tan\theta(csc\theta+2)=0\iff tan\theta=0\ \vee\ csc\theta+2=0\\\\\\tan\theta=0\iff\theta=k\pi\notin D\\\\csc\theta+2=0\\\\csc\theta=-2\\\\\frac{1}{sin\theta}=-2\\\\-2sin\theta=1\ /:(-2)\\\\sin\theta=-\frac{1}{2}

(\theta=-\frac{\pi}{6}+2k\pi\ \vee\ \theta=\frac{7\pi}{6}+2k\pi)-answer
7 0
3 years ago
Property in Dry Gultch County is assessed at $305,000,000. The taxes to be raised are $13,750,000. What is the tax rate?
yanalaym [24]
Well you know that the value is 305 million
And the taxes are 13.75 million. taxes are a percentage of the value. to get a percentage of the value you use :
value * percent = percentage of value

So:
305 million * percent = 13.75 million
or:
305 * x = 13.75
x = 13.75 / 305
x = .045

x = 4.5%
5 0
4 years ago
Read 2 more answers
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