When studying radioactive​ material, a nuclear engineer found that over 365​ days, 1,000,000 radioactive atoms decayed to 979,280 radioactive​atoms, so 20,720 atoms decayed during 365 days.   a. Find the mean number of radioactive atoms that decayed in a day.   b. Find the probability that on a given​ day, 50 radioactive atoms decayed.

Q: A manufacturer produces widgets that are packaged in boxes of 250. The probability of a widget…

A: Binomial distribution : A Binomial is a type of distribution which has two possible outcomes. i.e.,…

Q: In sampling a large number of parts manufactured by a machine, the mean number of defective in a…

A: Givensample size(n)=20probability…

Q: Suppose that we know that 33.8% of the people born in the United States between 1936 and 1951 have…

A: The given situation follows binomial distribution. The proportion of people born in United States…

Q: The data on the right represent the number of traffic fatalities by seat location and gender.…

A: Given that   total passenger=44738 driver=13055

Q: About 7% of the population has a particular genetic mutation. 500 people are randomly selected. Find…

A:

Q: A three-bulbed flask contains five particles. What is the probability, to three significant figures,…

A: Let us assume X be the random variable representing the number of particles, out of total 5, in the…

Q: Suppose the probability a patient will recover from a disease following medication is 0.7. In a…

A: Given : the probability a patient will recover from a disease following medication is 0.7.  In a…

Q: A voin is tossed four times. Let x denote the number of heads. Find the mean and standard deviation…

A: A coin is tossed four times. The  denotes the number of heads.

Q: 84 tires in a factory are tested for defectiveness. 12% of tires made in the factory are defective.…

A: From the provided information, Sample size (n) = 84 tires 12% of tires made in the factory are…

Q: A list of the top twenty restaurants in Chicago was released. Four of the restaurants specialize in…

A: Given that  Total restaurants=20 Seafood restaurants=4 p=4/20=1/5=0.20 , q=1-p=1-0.20=0.80 5 of the…

Q: receive or send an average of 41.5 text messages per day. A. How many text message users receive or…

A: (A)   If Patients receive 41.5 text messages in 24 hour then Patients will receive 41.524=1.729 text…

Q: 18 men will be tested for the discus throw. if Mu= 112ft and standard deviation= 13ft. find the…

A: The normal distribution:A continuous random variable X is said to follow normal distribution with…

Q: 1, the mean number of goldfish in the package is 187. find the probability of choosing a package…

A: Thanks for posting the question. Since multiple questions are posted, we will answer one question…

Q: The personal debt for households in a particular group is normally distributed with mean $18,350 and…

A: Given,mean(μ)=$18,350standard deviation(σ)=$345

Q: The table summarizes results from pedestrian deaths that were caused by automobile accidents.…

A: Given that  Total=N=60+76+283+564=983 Pedestrian Intoxicated  Total Yes=60+283=343 Total…

Q: You are a doctor ,a and on average you meet with 30 patients per day. Assuming the NHANES dataset is…

A: The objective of this question is to calculate the probability of different scenarios related to…

Q: A quiz consists of 40 multiple choice​ questions, each with five possible​ answers, only one of…

A: The number of multiple choice​ questions is, n = 40 The probability of getting correct answer is, p…

Q: Find the standard deviation for the number of people with the genetic mutation in such groups of 800

A: Let p be the proportion of population that has a particular genetic mutation. Given that p = 0.02…

Q: According to a recent survey, high school girls average 100 text messages daily. Assume the…

A: GivenMean(μ)=100standard deviation(σ)=20sample size(n)=50

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.