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qwelly [4]
3 years ago
15

Select the better deal in the pair. Then give the unit rate for the better deal.

Mathematics
2 answers:
nydimaria [60]3 years ago
8 0
2 one do you need explanation ??
adell [148]3 years ago
8 0
The second one i could explain it if you like ^_^
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A courier service company wishes to estimate the proportion of people in various states that will use its services. Suppose the
kolbaska11 [484]

The probability that the sample proportion will be less than 0.04 is <u>0.8995</u> or <u>89.95%</u>.

The true proportion (p) is given to be 0.03.

Therefore, Mean (μ) = p = 0.03.

The standard error of sampling distribution can be calculated using the formula σ = √[{p(1 - p)}/n], where n, is the sample size, that is, n = 476.

Therefore, σ = √[{0.03(1 - 0. 03)}/476] = 0.00782.

Since, np = 14.28 and n(1 - p) = 461.72 are both greater than 5, we assume the sample is normally distributed.

Since, we are asked to find the probability that the sample proportion is <u>less than</u> 0.04, we using our calculator, enter as following:

Normalcdf(-100000000,0.04,0.03,0.00782), which gives us the value 0.8995 or 89.95%.

Thus, the probability that the sample proportion will be less than 0.04 is <u>0.8995</u> or 89.95%.

Learn more about probability of sampling distributions at

brainly.com/question/15520013

#SPJ4

5 0
1 year ago
2. What is the value of 9x – 4y if x = 3 and y = 2?<br> F. 12.<br> G. 19<br> H. 93<br> 1. 27<br> H
Igoryamba

Answer:

G. 19 is your answer dear

Step-by-step explanation:

9(3)-4(2)

27-8 = 19

3 0
3 years ago
Horses age more rapidly than humans. Suppose that the “horse age” and “human age” vary directly, and suppose that a 5 year old h
Temka [501]
Well, lets start with what you know. We know that 5 horse years is equal to 15 human years. If the horse is 16, 5 times 3.2 equals 16.
5 year old horse/ 15 year old human
16 year old horse/ ? human?
3.2 times 5 is 16. To find the answer, do 3.2 times 15, or 320% of 15. Three times fifteen is 45. 20% of 16 is 3.2. 45 plus 3.2 is 47.2! Did this help you?
6 0
3 years ago
How would logx (49) = x look like in exponential form
Ivanshal [37]

I'm assuming the given log equation is \log_{\text{x}}(49) = \text{x}

If so, then the exponential form is \text{x}^{\text{x}} = 49

This is because the general form \log_{\text{b}}(\text{x}) = \text{y} transforms into \text{y} = \text{b}^{\text{x}}

For both equations, the 'b' is the base.

5 0
2 years ago
Hey there! This is my last math question of the day! Please, do me a favor and help me out! Please remember I need an inequality
Mars2501 [29]

Answer:

150 ≥ 55+0.20t

6 0
3 years ago
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