Berkat Health Insurance wishes to introduce a new insurance policy for smokers. Theyconducted a study to know at what age adult smokers usually acquired their smoking habit.They found that one out of five adult smokers acquired the habit at age 21. If 400 smokersare randomly selected,write the random variable for above probability problem and find the probability that atmost 85 of them acquired the habit at age 21.i.ii.the probability for less than k adult acquired the habit at age 21 is 10.5%, determine thevalue of k.

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Answered: Berkat Health Insurance wishes to…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A manufacturing engineer takes 22 samples from a manufacturing process to verify if the production complies with a quality standard. The probability of a product quality defect is 0.03 or 3%. What is the probability of finding less than 3 of the samples with quality defects? a. 0.1402 b. 0.04 c. 0.9729 d. 0.8598
There is an average of 4 accidents in a week on a major highway in the city. What is the the probability that there less than 2 accidents in a week? O a. 0.1465 0.09158 O c. 0.07326 Od. 0.0183
It is given that 5% of the flower pots arriving to the florist are broken. Find the probability when 400 pots arrives that b. less than 4% will be broken
Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used to battle enterococci is vancomycin. A study by the Federal Centers for Disease Control and Prevention revealed that 3% of all enerococci isolated in hospitals nationwide were resistant to vancomycin. Suppose 18 patients with blood infections caused by the enterococci bacteria and treated with vancomycin are randomly selected. Rounding your answer to four decimal places, find the probability that all 18 patients will be successfully treated 0.97 x at least one patient will not be successfully treated 0.422✓
After vaccination, the probability of getting flu is 0.15. Without vaccination, it is 0.4. In a particular country, 45% of the population is vaccinated. If a randomselection is made, what is the probability that the person who has flu is vaccinated?
The probability that a person has blood type A is 0.3.Two persons are selected at random. What is the probability that neither person has blood type A?
The mean of childhood asthma prevalence in 43 cities is 2.32%. A random sample of 32 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.8% Interpret this probability. Assume that =1.36% The probability is-
A university study involves a simple random sample of 26 students taken from a population of 12,550. Undergraduate students make up 73% of the university's students. Determine the probability of selecting only undergraduate students?
The maternity ward at Dr. Jose Fabella Memorial Hospital in Manila in the Philippines is one of the busiest in the world with an average of 54 births per day. Let X = the number of births in an hour. What is the probability that the maternity ward will deliver a. exactly 4 babies in one hour. b. exactly 7 babies in one hour.
Regifting is defined as the act of taking a gift that has been given to you and presenting it as a gift to someone else. According to survey conducted by a credit card company regarding consumer spending, 81% of the respondents felt that it was socially acceptable to regift during the holiday season (big sigh of relief). Suppose a random sample of 10 holiday shoppers was selected. Complete parts a through d. a. What is the probability that 9 shoppers from this sample felt that regifting was socially acceptable? The probability is. (Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that more than 7 shoppers from this sample felt that regifting was socially acceptable? The probability is. (Type an integer or decimal rounded to four decimal places as needed.) c. What is the probability that fewer than 10 shoppers from this sample felt that regifting was socially acceptable? The probability is (Type an integer or decimal rounded to four…
The probability that an adult possesses a credit card is .15. A researcher selects two adults at random. The probability that the first adult possesses a credit card and the second adult does not possess a credit card
Migraine medication was administered to patients in that 2% experienced weight gain as a side effect. If a random sample of 30 patients were chosen what is the probability that exactly 5 experienced weight gain as a side effect?

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