Calculus and Above

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64% of people have been vaccinated. If 5 are randomly
64% of people have been vaccinated. If 5 are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated? … read more
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A maths question Probability distribution, In a mass
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Suppose the age that children learn to walk is normally
Suppose the age that children learn to walk is normally distributed with mean 13 months and standard deviation 1.1 month. 15 randomly selected people were asked what age they learned to walk. Round al… read more
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Based on historical data, your manager believes that 35% of
Based on historical data, your manager believes that 35% of the company's orders come from first-time customers. A random sample of 88 orders will be used to estimate the proportion of first-time-cust… read more
Kofi
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Suppose that a computer chip company has just shipped 5
Suppose that a computer chip company has just shipped 5 comma 000 computer chips to a computer company.​ Unfortunately, 30 of the chips are defective. ​(a) Compute the probability that two randomly se… read more
Sandhya_sharma
Master's Degree
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Suppose that 1 out of every 5 plasma televisions shipped has
Suppose that 1 out of every 5 plasma televisions shipped has a defective speaker. A shipment of 100 plasma televisions are being prepared to be sent out on order.What is the probability that between 2… read more
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Assuming that events A and arise from independent random
Assuming that events A and B arise from independent random processes, if P(A)=0.3 and P(B)=0.7. Find P(A or B), round your answers to 4-decimal places.… read more
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A case of light bulbs has twenty bulbs, four of which are
A case of light bulbs has twenty bulbs, four of which are defective. If three of the bulbs are randomly selected without replacement, what is the probability that the first two are good and the last o… read more
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Do I just send you the problems? Stats and calculating
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Question 1 : Data that are collected by an individual
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I am stuck on my stats homework and can't figure out how to
I am stuck on my stats homework and can't figure out how to do them.. We had a class cancellation due to snow and we are responsible this material on our own! I am supposed to solve them using the Poi… read more
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2. In a survey, 600 mothers and fathers were asked about the
2. In a survey, 600 mothers and fathers were asked about the importance of sports for boys and girls. Of the parents interviewed, 70% said the genders are equal and should have equal opportunities to … read more
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For the problems that require a written response, please use
For the problems that require a written response, please use proper English and complete sentences. Your definitions and explanations should be explicit and meaningful from a statistical viewpoint. Wh… read more
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Statistics Questions2.) A local community has two newspapers.
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Chirag
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(1) For the following statement write the null hypothesis and
(1) For the following statement write the null hypothesis and the alternative hypothesis also label which one is the claim. A car manufacturer claims that their cars makes at least 35 miles per gallon… read more
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A company produces a device for the purposes of medical research.
A company produces a device for the purposes of medical research. As with all production lines of senstive equipment, even when production processes are working correctly, not all devices sent out fro… read more
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1. Describe the following variables as quantitative or qualitative,
1. Describe the following variables as quantitative or qualitative, and describe the scales of measurement. A. The distance a student commutes from home to campus. B. The rating of a stock as "strong … read more
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A box contains 10 items, of which 3 are defective and 7 are
A box contains 10 items, of which 3 are defective and 7 are nondefective. Two items are randomly selected, one at a time, with replacement, and x is the number of defectives in the sample of two. Expl… read more
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