Answer:
1/3, 5/12, 5/6
Step-by-step explanation:
first you need to see that 5/6 is basically the closest to its denominator and 1/3 is also 4/12 so we know it's the shortest like 5/12 so we know that is the second shortest.
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Answer:
a) 60%
b) $1240
c) $744
Step-by-step explanation:
a. the company's percentage %
If Jack pays 40%, the company pays the other 60%
b. the total premium $
Jack payment is 40% of the total. 40% of the total is 496. So:
The total premium is $1240.
c. the company's payment $
The company payment is 60% of 1240. So 0.6*1240 = 744.
Answer:
Emma is not correct. The correct ratio is 7:8.
Step-by-step explanation:
The ratio of boys to girls is 35:40, and if you simplify this you do not get 3:4 but 7:8.
Hope this helps!
Answer: 0.5467
Step-by-step explanation:
We assume that the test scores for adults are normally distributed with
Mean :
Standard deviation :
Sample size : = 50
Let x be the random variable that represents the IQ test scores for adults.
Z-score :
For x =85
For x =115
By using standard normal distribution table , the probability the mean of the sample is between 95 and 105 :-
Hence, the probability that a randomly selected adult has an IQ between 85 and 115 =0.5467
12. 1/7
13. 1/2
14. 1/2
15. 1/8
16. 1/4