According to the studies carried out by researchers in an earthquake zone, the average number of earthquakes with an intensity of 5 and above in a year is 7.5. What is the probability that there will be at least one earthquake in a month?

Q: A recent study for Las Vegas showed that the probability of an individual resident moving in a given…

A: Solution: Let X be the number of times an individual will move and n be the number of years. From…

Q: In a recent study nationwide, it was found that 41% of people own dogs. If you pick two people at…

A: Given that  It was found that 41% of people own dogs. P(Dog) = 41% = 0.41   We know that…

Q: A batch of bulbs have a mean life of 1000 hours. Only one bulb is used at a time, and after each…

A: See the handwritten solution

Q: In a dental study on children it was found that the probability of the child population having any…

A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3

Q: In one study of calls to 911 in Los Angeles, it was found that 85% of the calls were not…

A: Solution: From the given information, the proportion of the calls were not emergencies is p=0.85 and…

Q: en the current Center of Disease Analytics statistics, the probability of having the flu in our area…

A: event A= having flup(having the flu in our area)=0.10p(A)=0.10P(A')=1-0.10=0.90event B=report…

Q: On average, 5.5 shoplifting incidents occur per week at an electronics store.  What is the…

A: Poisson Distribution :  A Poisson distribution is a discrete probability distribution that applies…

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: In a recent study nationwide, it was found that 51% of people lost their keys in the past year. If…

A:

Q: A 10-year study conducted by the American Heart Association provided data on how age, blood…

A: The independent variables are Age, Blood pressure and Smoker. The dependent variable is Risk. We…

Q: The chances of an error occurring in any single line of code is found to be 0.001 (0.1%). If a…

A: Giventhe no. of error occuring in any single line of code is 0.001The no. of error for 500 lines is…

Q: A study showed that ​69.7% of occupants involved in a fatal car crash wore seat belts. Of those in a…

A:

Q: Suppose you are an environmental researcher for an organization. As part of your research, you…

A: Givensample size(n)=43Mean(μ)=381standard deviation(σ)=31

Q: A national survey reported that 31% of adults in a certain country have hypertension (high blood…

A: Let X denote the no.of adults in a certain country have hypertension and it follows binomial…

Q: A farmer said that 2/3 of his apple trees were attacked by fruit flies. If the inspection is carried…

A:

Q: If the probability of contracting a certain illness is 0.0433, would it be considered statistically…

A: Let p be the probability of contacting a certain illness  Given  p=0.0433

Q: We know that certain bacteria are present in water in a proportion of 3 bacteria per cm3 . What is…

A: Given:. This means that on average, we expect to find 3 bacteria in each cubic centimeter of…

Q: In a large population, 59%6 are infected with a certain disease. If you take a random sample of 30,…

A: Given,n=30p=0.59Let x=no.of people infected with certain disease.x~Binomial(n=30 , p=0.59)P(X=x)=Cx…

Q: If a particular shipment of thousands of aspirin tablets actually has a 44​% rate of​ defects, what…

A: It is given that aspirin tablets have a 44% rate of defects. That is probability of getting a…

Q: It is known that the prevalence of Tuberculosis in a community is 9% what would be the probability…

A: given data P(tuberculosis) = p = 0.09sample size (n) = 10x = no. of individual with tuberculosisP(x=…

Q: A university's English capstone exam scores have µ = 88 and o = 10. What is the probability tha a…

A:

Q: If the chance of suffering from occupatinal hazards is 25%, what is the probability that out of…

A:

Q: A bookstore experiences a mean rate of 2 customers arriving per hour. What is the probability that…

A: A bookstore experiences a mean rate of 2 customers arriving per hour

Q: A study showed that the sex ratio of children born to families in a native community of Ontario…

A: A study showed that the sex ratio of children born to families . Given: A news paper report about…

Q: Is it unusual because the probability of a women having blood pressure lower than 63 mmhg is what?

A: Given data : Check your blood pressure: In a recent study, the Centers for Disease Control and…

Q: If a smoker is selected at random, what is the probability that the individual has diabetes? What is…

A:

Q: For a recent year, the Centers for Disease Control reported that the probability that a 50-yr-old…

A: Recall the following fact.

Q: On average, 8.6 rooms stay vacant per day at a large hospital, Find the probability that on a given…

A: Given: Average number of rooms vacant per day λ=8.6. Let X be the Poisson random variable…

Q: Suppose that asthma affects 1 in 20 children in a population. We decide to redo the survey and now…

A:

Q: Suppose that asthma affects 1 in 20 children in a population. You take an SRS of 50 children from…

A: It is given that asthma effects 1 in 20 children in a population. Let the random variable X denotes…

Q: A national survey reported that 31% of adults in a certain country have hypertension (high blood…

A:

Q: The quality control manager of Green Bulbs Inc. is inspecting a batch of energy saving compact…

A: The provided information is as follows:The mean number of bad bulb per shift is .

Q: What is the probability of recording exactly 3 deaths on the next day?

A: here given,  daily mean number of COVID 19 deaths in Metro Manila is 2

Q: In a poll conducted by the General Social Survey, 70% of respondents said that their jobs were…

A: From the provided information,70% of respondents said that their jobs were sometimes or always…

Q: A standard pair of six-sided dice is rolled. What is the probability of rolling a sum less than 10?…

A: Solution: From the given information, a standard pair of six-sided dice is rolled.

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.