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3 years ago

62.5% as two equivalent forms

Mathematics

2 answers:

xxTIMURxx [149]3 years ago

7 0

62.5%=0.625=625/1000=5/8

mrs_skeptik [129]3 years ago

5 0

62.5/100 and 0.625 are both equivalent.

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An insurer knows that the proportion of smokers in a population is 0.3. Furthermore, it is known that: 40% of applicants who are

olga nikolaevna [1]

<h3>Answer: Approximately 0.8537</h3>

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

Explanation:

Let's say this population had 1000 people. You can pick any number you want, but I'm going for some nice big round number to work with.

The proportion of smokers is 0.3, which means 0.3*1000 = 300 people in this population are smokers and 1000-300 = 700 are nonsmokers.

Of the 300 people who do smoke, 40% of them lie on the application. This means 0.40*300 = 120 people lied. These 120 people say they don't smoke, but in fact they do smoke.

So if we were to survey this population, then 700+120 = 820 people would say they don't smoke

Only considering the people who write "don't smoke" on the survey, which is that 820 figure, 700 of them are true nonsmokers. Therefore, the probability we want is 700/820 = 0.8537 approximately

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3 years ago

After eating all the leftovers, Chet drove back from Vail to Denver. He

Vladimir79 [104]

Answer:

Driving time Denver to Aspen

Yes, it's about 3-1/2 hours from Denver to Aspen via Glenwood Springs. It's approx. 200 miles, all but the last 40 on I-70 interstate. The driving time will depend upon the weather and what day of the week you're traveling (I-70 can be jammed with skiers on Friday nights and Sat.

Step-by-step explanation:

Im smart

3 0

3 years ago

You spin the spinner, roll a die, and find the sum. How many different sums are possible?

Blizzard [7]

Answer:

Step-by-step explanation:

Outcomes of the spinner: 2, 3

Outcomes of the die: 1, 2, 3, 4, 5, 6

Add 2 to 1, 2, 3, 4, 5, 6 to get:

3, 4, 5, 6, 7, 8

Add 3 to 1, 2, 3, 4, 5, 6:

4, 5, 6, 7, 8, 9

All different sums:

3, 4, 5, 6, 7, 8, 9

Answer: 7

6 0

2 years ago

In the data set below, what are the lower quartile, the median, and the upper quartile? 626676848497 lower quartile = median = u

Dominik [7]

Answer:

Q1 = 4

Q2 = 7

Q3 = 42. 75

Step-by-step explanation:

Given the data:

626676848497

6, 2, 66, 7, 6, 8, 4, 8, 49, 7

Arrange in ascending order :

2, 4, 6, 6, 7, 7, 8, 8, 49, 66

The lower quartile (Q) :

1/4(n+1)th term

n = number of sample = 10

1/4(11)th term

2.75 term : (2 + 6) /2 = 8/2 = 4

Median :

1/2(n+1)th term

n = number of sample = 10

1/2(11)th term

5. 5 term : (7 + 7) /2 = 14/2 = 7

Upper quartile :

3/4(n+1)th term

3/4(11)th term

8.25 th term

3 /4 (8 + 49) = 42.75

3 0

3 years ago

pav-90 [236]

Answer:

8 is answer why can't I send

7 0

3 years ago