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Akimi4 [234]
3 years ago
6

A lottery ticket has a grand prize of $48.9 million. The probability of winning the grand prize is .000000047. Determine the exp

ected value of the lottery ticket.
Mathematics
1 answer:
Lorico [155]3 years ago
7 0
Is this a gcse question??
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Need help ASAP Please and thanks
Artyom0805 [142]

Answer: easy maske sure to multiply

Step-by-step explanation:

4 0
3 years ago
Help me please with this question
alina1380 [7]

Answer:

Elizabeth had the highest winning ratio

Step-by-step explanation:

if you take both baskets and divide each of them by their misses you will get that Elizabeth's ratio is 2.78 while Alex's ratio is 2.5

8 0
3 years ago
There are 8 circles and 20 triangles. What’s the simplest ratio of circles to total shapes?
sleet_krkn [62]

Answer:

2:5

Step-by-step explanation:

Because if we look 8:20 can be turned into 8/20 and if we simply we got 2/5 and turn it into 2:5

6 0
4 years ago
Question:
faltersainse [42]

Answer:

The probability that a ship that is declared defecive is sound is 0.375

Step-by-step explanation:

Let P(A|B) denote the conditional probability of A given B. We will make use of the equation

P(A|B) = P(A) × P(B|A) / P(B)

We have the probabilities:

  • P(Declared Defective (detected) | Defective) = 0.95
  • P(not Detected | Defective) = 1-0.95=0.05
  • P(Declared Sound | Sound) = 0.97
  • P(Declared Defective |Sound) = 1-0.97=0.03
  • P(Defective)=0.05
  • P(Sound)= 1- 0.05 = 0.95

We can calculate:

P(Declared Defective)= P(Detected | Defective)×P(Defective) + P(Declared Defective |Sound) ×P(Sound) = 0.95×0.05 + 0.03×0.95=0.076

P(S | Declared Defective) =

(P(Sound) × P(Declared Defective | Sound)) / P(Declared Defective)

=0.95×0.03 /0.076 =0.375

3 0
3 years ago
PLEASE HELP <br> WILL GIVE BRAINLIEST AND 5.0 RATING
sattari [20]

Answer:

5.4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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