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julsineya [31]
3 years ago
10

A report describes the results of a large survey involving approximately 3500 people that was conducted for the Center for Disea

se Control. The sample was selected in a way that the Center for Disease Control believed would result in a sample that was representative of adult Americans. One question on the survey asked respondents if they had learned something new about a health issue or disease from a TV show in the previous 6 months. Data from the survey was used to estimate the following probabilities, where L-event that a randomly selected adult American reports learning somethlng new about a health Issue or disease from a TV show in the previous 6 months and F-event that a randomly selected adult American is female Assume that P(F) 0.5. Are the events L and F independent events? Use probabilities to justify your answer. Land Flare notindependent events, because P(L) P(F)- 0.3 , which is not equal to P(L n F)
Mathematics
1 answer:
lesya692 [45]3 years ago
8 0
0.3 - 60 is your right answer!
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In a finance class, the final grade is based on three tests. Historically, the instructor tells the class that the joint probabi
Greeley [361]

Answer:

0.5556 or 55.56%

Step-by-step explanation:

If the probability of getting an A in both tests, P(B), is 0.5, and the probability of getting an A in the first test, P(F), is 0.9, then the probability of getting an A on the second test, P(S) is:

P(B) = P(F)*P(S)\\0.5=0.9* P(S)\\P(S) = 0.5556=55.56\%

Given that a student has scored an A on the first test, the probability that the student will score an A on the second test is 0.5556 or 55.56%

4 0
3 years ago
A candy bar is created with 28 cubic centimeters of chocolate. If the length is 8 cm and the width is 6 cm, what is the height o
Liula [17]

Answer:

0.58cm

Step-by-step explanation:

l×b×h=volume

Given:

Voume=28cm^3

l=8cm

width or breadth=6cm

h=?

applying the above formula

l×b×h=28cm^3

6×8×h=28cm^3

h=28/48=0.58cm

8 0
2 years ago
❗️10 points❗️<br> 1. factor the polynomial.
harkovskaia [24]

Answer:

B.

Step-by-step explanation:

2x²(3x³ - 9x +27)

= 6x^5 - 18x³ + 54

3 0
4 years ago
51x+x+33x+10 <br> I need help on combining like terms
Serhud [2]

Answer:

84x+10

Step-by-step explanation:

Ok, since 51x, x, and 33x all have x in it, you add them all together. From that, you should get 84x. We can not add 10 with anything, the expression in simplest form is 84x+10.

5 0
3 years ago
Toys R Us is having a 38 percent discount on all of their backpacks if a back pack is normally 22.00 how much will it be on sale
My name is Ann [436]

Answer:

toys r us is shut down but to answer the price would be $13.64 saving you $8.36 have a wonderful day

Step-by-step explanation:

6 0
3 years ago
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