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galina1969 [7]
2 years ago
7

3. The following data was collected from a simple random sample from a process (an infinite population). 13 15 14 16 12 a. The p

oint estimate of the population mean (1 point) a. is 5 b. is 14 c. is 4 d. cannot be determined because the population is infinite
Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
3 0

Answer:

14

Step-by-step explanation:

Given the data:

13 15 14 16 12

The point estimate of the population mean will be :

ΣX/ n

X = Given data points

N = sample size

ΣX = (13 + 15 + 14 + 16 + 12) = 70

N = 5

Hence,

ΣX/ N = 70 / 5

Point estimate of population mean = 14

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Theoretically if a card is chosen 200 times, how many times would you expect to get a card without stripes?
steposvetlana [31]

Answer:

5

Step-by-step explanation:

200/2=100 then after 100 u divide card by 2 so 100/2 and that's 50 and then last divide by 10 because its the circumference so its 5

3 0
2 years ago
Jenny surveyed 40 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. Ano
Leno4ka [110]
C.) 30 since they both have 5's just take them out then subtract 50 and 20 *but make sure u take out the decimal though* so after u subtract u will get 30 then line it up and put the decimal back then it will be .30
7 0
3 years ago
During a furniture sale, Dorothy paid $20 for new couch cushions. If the discount percentage is given in the first column, find
DochEvi [55]
<h3>Answers:</h3><h3>First box = 57.14</h3><h3>Second box = 80</h3>

=============================================

Explanation:

If you save 65%, then you pay the remaining 35%

0.35x is the final price when x is the original price

0.35x = 20 solves to x = 57.14 approximately after dividing both sides by 0.35

57.14 goes in the first box

--------------

This must mean 80 goes in the other box.

Here's the steps on how to get 80

If you save 75% then you pay the remaining 25%

0.25x = 20

x = 20/0.25

x = 80

80 goes in the second box

3 0
2 years ago
A hot air balloon travels 1,470 miles at a constant rate 6 hours. what is the rate of the speed?​
PSYCHO15rus [73]

Answer:

245 miles per hour

Step-by-step explanation:

1470 divided by 6

5 0
2 years ago
This question is worth 15 points.
Galina-37 [17]

The total sale of the bedding set including 5% sale tax is $69.66

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Discount = 20% of 86 = 0.2 * 86 = 17.2

Selling price of bed = 5% of 17.2 = 0.05 * 17.2 = 0.86

Total sale = 86 - 17.2 + 0.86 = 69.66

The total sale of the bedding set including 5% sale tax is $69.66

Find out more on equation at: brainly.com/question/2972832

#SPJ1

5 0
2 years ago
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