In a series of houses actually invaded by smallpox, 70% of the inhabitants are attacked and 85% have been vaccinated. What is the lowest percentage of the vaccinated that must have been attacked?

Q: Last year at Townsburg High School, 28% of the graduating seniors took the ACT exam, 34% of the…

A: It is given that the proportion of the graduating seniors took the ACT exam is 0.28, the proportion…

Q: Certain articles, 0.5% of which are damaged are packed in boxes containing 120 each. What proportion…

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Q: How many patients were lost to contact?

A: The given table shows the year of death, year of last contact, time and number at risk, number of…

Q: Men Women Total Work 15 65 Not Work 23 28 51 38 ? a) Figure out the missing totals and report them…

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Q: 00 subjects were studied and 120 of them expressed a preference for brand x, what percentage…

A: The 200 subjects were studied; n=200 120 of them expressed a preference for brand x; x=120

Q: In a survey of middle school students, 70% play basketball and 40% play basketball and football. Of…

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Q: A fast food chain surveyed a random sample of students to determine what pizza they prefer. Cheese…

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Q: A pharmaceutical company conducts a study where 50 patients are given a drug. They find that 10…

A: Sample is the subset of the population.

Q: In a village actually invaded by anthrax, 65% of the gouts were attacked and 90% have been…

A:

Q: What percentage of the people who worked were males?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 What percentage of the…

Q: If in a village actually involved by anthrax, 70 per cent of the goats are attacked and pei cent…

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Q: How many success in the sample? How many failures in the sample? ? What size sample does the…

A: Answer:-  Given, n=1800

Q: There are 1,000 students in a college. Out of 20,000 in the whole university, in a study 200 were…

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Q: According to FBI data, 12% of burglaries.   What should we conclude if the detective clears all…

A: Introduction to binomial distribution: Consider a random experiment involving n independent trials,…

Q: The workers at drug factory took a random sample of 800 drug tablets and found that 40 of them were…

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Q: Antibiotic is claimed to be effective in 70% of the patients it is given to. If antibiotic is given…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: The proportion of commuters on PSU – Berks campus is purported to be 65%. A professor believes this…

A: Given P0=65% = 0.65 Let X = Number of commuters on PSU  X = 200 n = 300

Q: A car dealership is deciding the proportion of cars they will order with cloth seats. You have been…

A: We have to find sample size required for given margin of error.

Q: Suppose 20% of cars are sportscars and that 30% of sportscars are red, and that 25% of all cars are…

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Q: How many of the 3088 subjects used at least one prescription​ medication?

A: Number of adults aged 57 through 85 years in a survey, n = 3088 p be the probability that an adult…

Q: What percentage of the blocks are red?

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Q: The population of the community is 15000 people. Which of the following is the prevalence proportion…

A: Given,6 new cases of diabetes5 cases are reported previous yearThe population of the community is…

Q: veterinary clinic reports that out of 3,412 animals registered at the clinic, 1,712 are dogs, 1,012…

A: Given : A veterinary clinic reports that out of 3,412 animals registered at the clinic, 1,712 are…

Q: Suppose the prevalence of "dance fever" at a college is 40% among women and 10% among men. If there…

A: Given that the prevalence of dance fever among women is 40%. The prevalence of dance fever among men…

Q: what percentage of the women did not work?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 percentage of the women…

Q: On a particular night, a baseball stadium sells 60% of its seats, and of those, 15% do not end up…

A: According to the provided data, 60% of the seats are booked and 15% of these do not end up showing,…

Q: attacked and 85 per cent have been inoculated with vaccine ; what is the If in a village actually…

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Q: -Five out of 10 marbles in a bag are red. What percentage of the marbles are not red? A. 50% B. 55%…

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Q: What is the proportion of free apps available in the App store?

A: A survey of Android Apps bought in the App store, indicated that 50% were related to music, 30%…

Q: Rose randomly surveyed 50 students and found that 15 had a part-time job. If there are 750 students…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.