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inna [77]
3 years ago
12

There are 850 employees at a software company. The

Mathematics
1 answer:
kotegsom [21]3 years ago
4 0

Answer:

  • The value of x is 148
  • The best point estimate of population proportion is 74%

Step-by-step explanation:

Sample size = n = 200

Number of employees who prefer the new coffee = 148

The formula to calculate the point estimate is:

p=\frac{x}{n}

Here, x is the number of outcomes of our interest i.e. the number of employees who prefer the new coffee brand over the old one. Therefore,

x = 148

Using the values in the above formula, we get the point estimate as:

p=\frac{148}{200} \\\\ p=0.74\\\\ p =74\%

Therefore, the best point estimate for the population proportion is p = 74%

So, the correct statements for this scenario are:

  • The value of x is 148
  • The best point estimate of population proportion is 74%

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stepan [7]
You wont because 72 +21+15+36+69+81+9+27+42+63=435 and 435 is greater than 100
7 0
3 years ago
An appliance company uses the function f
inessss [21]
Fh. = 40h + 120,  fh. = $200

200 = 40h + 120
200 - 120 = 40h
80 = 40h
 80/40  = h
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h = 2 hours.
7 0
3 years ago
Type the correct answer in the box,
HACTEHA [7]

<u>We'll assume the quadratic equation has real coefficients</u>

Answer:

<em>The other solution is x=1-8</em><em>i</em><em>.</em>

Step-by-step explanation:

<u>The Complex Conjugate Root Theorem</u>

if P(x) is a polynomial in x with <em>real coefficients</em>, and a + bi is a root of P(x) with a and b real numbers, then its complex conjugate a − bi is also a root of P(x).

The question does not specify if the quadratic equation has real coefficients, but we will assume that.

Given x=1+8i is one solution of the equation, the complex conjugate root theorem guarantees that the other solution must be x=1-8i.

3 0
3 years ago
(45pts) An elevator holds at most 1,400 pounds. A team of movers and their cart have a combined weight of 1,200 pounds. If each
emmainna [20.7K]
Let x be the number of boxes the team brings with them. Their weight combined with the boxes can't exceed the capacity of 1400. Assuming the elevator runs fine at that exact weight, you want to find the number of boxes, each of which contributes 40 pounds. This is given by the equation

1400=1200+40x

Solving for x, you have

1400=1200-40x
200=40x
x=5

So the team can bring *at most* 5 boxes at a time.
4 0
3 years ago
The following sequence of numbers is an arithmetic sequence.
Georgia [21]
The answer would be True because the sequence is constant
8 0
3 years ago
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