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amm1812
3 years ago
9

Working on Summer Vacation. An Adweek/Harris (July 2011) poll found that 35% of U.S. adults do not work at all while on summer v

acation. In a random sample of 10 U.S. adults, let x represent the number who do not work during summer vacation
a. For this experiment, define the event that represents a "success"

b. Explain why x is (approximately) a binomial random variable

c. Give the value of p for this binomial experiment

d. Find P(x = 3)

e. Find the probability that 2 or fewer of the 10 U.S. adults do not work during summer vacation
Mathematics
1 answer:
Alex Ar [27]3 years ago
6 0

A becuase i worked it out and i got that so im really confident

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Help&amp;EXPLAIN <br> =============
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Answer:

circumference=7.85

πd=7.85

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3 years ago
In how many ways can the letters in the word spoon be arranged?
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I search and found different answers but the nearest is 24
7 0
2 years ago
2. Order 3.3,3.19,3 1/5,3 1/3.
cricket20 [7]
2.
3\frac15=3.2\\ 3\frac13=3.33333...

3.19, \ \ \ 3\frac15, \ \ \ 3.3, \ \ \ 3\frac13

3.
20\%\cdot1500\$=0.2\cdot1500\$=300\$

4.
\frac{600g}{3kg}=\frac{600g}{3000g}=\frac{600g}{5\cdot600g}=\frac15
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5. 
10^3+10^2+10+1=1000+100+10+1=1111

6. 6.7\cdot5\$=33.5\$

7. 
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8.
9^2-4\cdot9=81-36=45

9.
from 8.45am to 12.45pm - 4 hours
\$15\cdot4=\$60
I earn \$60

10.
48 minutes = 1 hour - 12 min
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11. 
34.1^oC-27.6^oC=6.5^oC

12. 
8\frac14 \ h= 8h \ 15min
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I get up at 6.45am

13.
12\cdot108=1296

14.
\overline{x}=\frac{8.2+9.4+3.5+2.9}4=\frac{24}4=6

15.
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