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svlad2 [7]
4 years ago
10

A frog is climbing out of a well that is 15 feet deep, the frog climbs 4 feet per hour, and then the frog slips back 1 foot whil

e resting for an hour. How long will it take the frog to get out of the well? Do not use algebra for this question!
Mathematics
2 answers:
Mnenie [13.5K]4 years ago
7 0

Answer:

10 hours

Step-by-step explanation:

Hello! :)

In 2 hours, he is going up 4 feet and down 1 which means he advances 3 feet every two hours.

15 ft/3 ft=5 ft

2 hours x 5 ft=10 more hours

Hope this could help!

raketka [301]4 years ago
5 0

Answer:

The answer to your question is 9 h

Step-by-step explanation:

                                                                  Distance                   Time

- 1 stage   climbs to 4 and slips 1 ft          the frog is 3 ft            2 h

- 2 stage  climbs to 7 and slips 1 ft         the frog is 6 ft           4 h

- 3 stage  climbs to 10 and slips 1 ft         the frog is 9 ft           6 h

- 4 stage climbs to 13 and slips 1 ft        the frog is 12 ft         8 h

- 5 stage climbs out of the well                                                  9 h

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vaieri [72.5K]

Answer:

a) Binomial distribution B(n=12,p=0.01)

b) P=0.007

c) P=0.999924

d) P=0.366

Step-by-step explanation:

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Then,

P(k>1)=1-(P(k=0)+P(k=1))=1-(0.886+0.107)=1-0.993=0.007

c) In this case, the distribution is B(1200,0.01)

P(k=0)=\binom{1200}{0}p^0(1-p)^{12}=1*1*0.99^{1200}=1* 0.000006 = 0.000006 \\\\ P(k=1)=\binom{1200}{1}p^1(1-p)^{1199}=1200*0.01*0.99^{1199}=1200*0.01* 0.000006 \\\\P(k=1)= 0.00007\\\\\\P(k\leq1)=0.000006+0.000070=0.000076\\\\\\P(k>1)=1-P(k\leq 1)=1-0.000076=0.999924

d) In this case, the distribution is B(100,0.01)

We can calculate this probability as the probability of having 0 cracked eggs in a batch of 100 eggs.

P(k=0)=\binom{100}{0}p^0(1-p)^{100}=0.99^{100}=0.366

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Answer:

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