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puteri [66]
3 years ago
6

Suppose you Flip a coin and spin a spinner with four equal sections labeled 1-4 if you repeat this process 1,000 times what is t

he best prediction for the number of times the coin will land on heads and the spinner will land on a 2
Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0

Answer:

125 times.

Step-by-step explanation:

Prob(Heads) = 1/2.

Prob(Spinner lands on 2) = 1/4  ( as there are 4 sections on the spinner).

So the best prediction for the number of times this occurs in a 1000 trials

=  1/2 * 1/4 * 1000

= 1/8 * 100

= 125 times.

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3 years ago
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Making high-stakes insurance decisions. The Journal of Economic Psychology (Sept. 2008) published the results of a high-stakes e
Andrej [43]

Answer:

a. P(24)=0.00007

b. P(23)=0.00018

c. There is significant difference between the probability of the rainy days and the probabilities of fire and theft.

The probability of theft would be overestimated by 76% and the probability of fire would be subestimated by 27%.

Step-by-step explanation:

The probabilities of two events ("fire"and "theft") are compared to the probabilities of a certain number of days of rain during July.

The probabilities of "fire"and "theft" are around P=0.0001, and we need to calculate if the probability of exactly 23 and exactly 24 days of rain July have approximately the same probability.

Rain frequencies for the months of July and August were shown to follow a Poisson distribution with a mean of 10 days per month.

The parameter then is:

\lambda=10

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For 24 days, the probability is:

P(24)=\frac{10^{24}e^{-10}}{24!}=\frac{1*10^{24}*4.54*10^{-5}}{6.20*10^{23}}  = 0.00007

The probability of 23 days of rain is 27% less than P=0.0001.

For 23 days of rain, the probability is:

P(23)=\frac{10^{23}e^{-10}}{23!}=\frac{1*10^{23}*4.54*10^{-5}}{2.59*10^{23}}  = 0.00018

The probability of 23 days of rain is 76% more than P=0.0001.

There is significant difference between the probability of the rainy days and the probabilities of fire and theft.

The probability of theft would be overestimated by 76% and the probability of fire would be subestimated by 27%.

8 0
3 years ago
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Leto [7]

Answer:

The answer is  _____

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I will not tell you the answer but you can divide, multiply, and add.

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3 years ago
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The measurements obtained for the interior dimensions of a rectangular box are 200 cm by 200 cm by 300 cm. If each of the three
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Answer:

C. 160,000

Step-by-step explanation:

Given that the measurements obtained for the interior dimensions of a rectangular box are 200 cm by 200 cm by 300 cm.

Also given that each of the three measurements has an error of at most 1 cm

COnsider the worst case where each dimension is increased by 1 cm

Then we measure the dimensions as 201 , 201 and 301

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3 years ago
10:8 elasped time 30min
Katarina [22]
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