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LuckyWell [14K]
3 years ago
10

Jeremiah's pet lizard ate 46 pounds of food during April. There are 30 days in the month April . At that rate how many days woul

d a 100 pound bag of lizard food
O About 19 days
O About 18 days
O About 15 days
O About 65 days
Mathematics
1 answer:
topjm [15]3 years ago
4 0

Answer:

about 65 days

Step-by-step explanation:

46/30 = 1.53 pounds per day

100/1.53 = about 65

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Answer:

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b. Attached.

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Step-by-step explanation:

This can be modeled as a binomial random variable, with parameters n=4 (size of the sample) and p=0.25 (proportion of homeowners that are insured against earthquake damage).

a. The probability that X=k homeowners, from the sample of 4, have eartquake insurance is:

P(x=k) = \dbinom{n}{k} p^{k}(1-p)^{n-k}\\\\\\P(x=k) = \dbinom{4}{k} 0.25^{0}\cdot0.75^{4}

The sample space for X is {0,1,2,3,4}

The associated probabilties are:

P(x=0) = \dbinom{4}{0} p^{0}(1-p)^{4}=1*1*0.3164=0.3164\\\\\\P(x=1) = \dbinom{4}{1} p^{1}(1-p)^{3}=4*0.25*0.4219=0.4219\\\\\\P(x=2) = \dbinom{4}{2} p^{2}(1-p)^{2}=6*0.0625*0.5625=0.2109\\\\\\P(x=3) = \dbinom{4}{3} p^{3}(1-p)^{1}=4*0.0156*0.75=0.0469\\\\\\P(x=4) = \dbinom{4}{4} p^{4}(1-p)^{0}=1*0.0039*1=0.0039\\\\\\

b. The histogram is attached.

c. The most likely value for X is the expected value for X (E(X)).

Is calculated as:

E(X)=np=4\cdot0.25=1

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3 years ago
BRAINLIEST!!!!!!BRAINLIEST!!!!BRAINLIEST!!!!BRAINLIEST!!!BRAINLIEST!!!!!BRAINLIEST!!!!BRAINLIEST!!!!BRAINLIEST !!!!!!!
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Answer:

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Step-by-step explanation:

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so the correct answer is the C

hope this helps

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