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Alexus [3.1K]
1 year ago
13

A town council wants to estimate the proportion of residents who are in favor of a proposal to upgrade the computers in the town

library. A random sample of 100 residents was selected, and 97 of those selected indicated that they were in favor of the proposal. Is it appropriate to assume that the sampling distribution of the sample proportion is approximately normal?
Mathematics
2 answers:
Alex73 [517]1 year ago
8 0

Answer:

no

Step-by-step explanation:

because the success/failure condition is not met

garik1379 [7]1 year ago
3 0

Answer:

Trying to help out, I think it's appropriate

Step-by-step explanation:

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Suppose a1=12−12,a2=23−13,a3=34−14,a4=45−15,a5=56−16. a) Find an explicit formula for an: . b) Determine whether the sequence is
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I'm going to assume you meant to write fractions (because if a_n are all non-negative integers, the series would clearly diverge), so that

a_1=\dfrac12-\dfrac12

a_2=\dfrac23-\dfrac13

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and so on.

a. If the pattern continues as above, we would have the general term

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b. Note that we can write a_n as

a_n=\dfrac{n-1}{n+1}=\dfrac{n+1-2}{n+1}=1-\dfrac2{n+1}

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\displaystyle\sum_{n=1}^\infty\frac1n

4 0
1 year ago
. A rocket carrying fireworks is launched from a hill above a lake. The rocket will fall into lake after exploding at its maximu
RoseWind [281]

Answer:

Step-by-step explanation:

Since we are not told what to find, we can as well find the time taken by the rocket to reach its maximum height as shown

The rocket reaches its maximum height when the velocity is zero

v = dh/dt

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Since v = 0 at maximum height

0 = -32t+64

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Hence the rocket reaches the maximum height after 2secs

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The answer is $7.14 is wunt josiah pay
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2 years ago
Read 2 more answers
The random variable X is normally distributed with mean 82 and standard deviation 7.4. Find the value of q such that P(82 − q &l
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P(82 - q < x < 82 + q) = 0.44
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P(z < (82 + q - 82)/7.4 - P(z < (82 - q - 82)/7.4) = 0.44
P(z < q/7.4) - P(z < -q/7.4) = 0.44
P(z < q/7.4) - (1 - P(z < q/7.4) = 0.44
P(z < q/7.4) - 1 + P(z < q/7.4) = 0.44
2P(z < q/7.4) - 1 = 0.44
2P(z < q/7.4) = 1.44
P(z < q/7.4) = 0.72
P(z < q/7.4) = P(z < 0.583)
q/7.4 = 0.583
q = 0.583 x 7.4 = 4.31
8 0
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