Find the probability that the monthly electricity consumption during October by a randomly selected household from this area is less than 1950 kilowatt-hours. а. b. Find the probability that the monthly electricity consumption during October by a randomly selected household from this area is more than 1950 kilowatt-hours. c. Find the probability that the monthly electricity consumption during October by a randomly selected household from this area is less than 900 kilowatt-hours. d. Find the probability that the monthly electricity consumption during October by a randomly selected household from this area is more than 900 kilowatt-hours. What percentage of the households in this area have a monthly electricity consumption of 900 to 1300 kilowatt-hours? f. What percentage of the households in this area have a monthly electricity consumption of 900 to 1800 kilowatt-hours? е. 9. What percentage of the households in this area have a monthly electricity consumption of 1650 to 1800 kilowatt-hours?

Q: Suppose in a certain year, the probability that a person in the United States would declare personal…

A: Let P denotes personal bankruptcy and M denotes medical related issue.The probability that a person…

Q: Item 9 At a research facility that designs rocket engines, researchers know that some engines…

A: The z-interval for two population proportions can be defined as a statistical technique that can be…

Q: A bag contains 3 red marbles, 5 blue marbles and 2 green marbles. Two marbles are drawn, one at a…

A:

Q: a school night, the probability that a student watches television is 0.71. On a school night, the…

A: To find the probability that the student will do homework .

Q: 3. An urn contains 10 balls: 4 red and 6 blue. A second urn contains 16 red balls and an unknown…

A: Given,1st urn:no.of red balls=4no.of blue balls=6Total no.of balls=102nd urn:no.of red balls=16Let…

Q: C. The probability that the the child will be older than 5 years old? | 0.8681 d. The probability…

A: Consider that the answer of the given part a, b, and c are the correct answer. And distribution is…

Q: Theoretical statistics is about….       Development, derivation and proof of theorems, formulas,…

A: Descriptive statistics summarizes the information in a sample.

Q: A group of people were asked if they had run a red light in the last year. 206 responded "yes", and…

A:

Q: Suppose that the probability of getting a job for a person is ( x / 3 ) . If the probability of not…

A: Given, The probability of getting the job is =x/3 The probability of not getting the job is = 2/3

Q: P. V * 00 A physics class has 50 students. Of these, 18 students are physics majors and 13 students…

A:

Q: An office building has two fire detectors.  The probability is 0.15 that any fire detector of this…

A:

Q: The average number of errors due to bug in a minute iw 0.0001. (a) Show the probability that no…

A:

Q: Suppose 90% of kids who visit a doctor have a fever, and 35% kids with a fever have sore throats.…

A: Independent Events:   Any two events A and B are said to independent if the occurrence of the event…

Q: On a weekend morning, the probability that a child watches television is 0.68. On a weekend morning,…

A: Given problem Given that   On a weekend morning, the probability that a child watches television…

Q: The probability that a student pilot passes the written test for a private pilot's license is 0.55.…

A: Probability distributions are of two types, discrete and continuous distributions. Binomial…

Q: A group of people were asked if they had run a red light in the last year. 262 responded "yes", and…

A:

Q: group of people were asked if they had run a red light in the last year. 467 responded "yes", and…

A: Total people = 467 + 376 =843

Q: The bison population lives and breeds in the central and northern regions of the Yellowstone…

A: Let X be a random variable representing the number of bison sightings such that the rate of bison…

Q: Question #1112 percent of U.S. residents are in their thirties. Consider a group of eight U.S.…

A: X: Number of . residents are in their thirtiesNown= number of residents in group=8p=P(in their…

Q: conomists believe that the annual inflation rate in Turkey is affected by the changes in the…

A: Given: To explain the given statement as follows, Given details: The probability of the inflation…

Q: Suppose that the life span of a certain automobile tire is normally distributed, with μ = 25, 000…

A: Let X denote the life span of a certain automobile tire.Given that X follows a normal distribution…

Q: During a Kansas tornado season, the probability a local grocery store experiences power outage on…

A: (d) On at least one day: P(At least 1 day)= 1- P(None of days) --(1) So 1st we need to find P(None…

Q: sed on previous weather records, the probability that the city of Calgary will have a "White…

A: To find the probability that there will be a "White Christmas" in the city of Calgary the next 2…

Q: Suppose that two persons are working on a project together. The probability that person A works for…

A: Given

Q: A radioactive source emits particles at an average rate of one every 12   seconds. Find the…

A: Given problem Given that   A radioactive source emits particles at an average rate of one every 12…

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: A group of people were asked if they had run a red light in the last year. 146 responded "yes", and…

A: According to the given information, we have Total number of people = 146+112 = 258 146 responded…

Q: Suppose the probability of contracting a certain disease is 1 in 69 for a new case in a given year.…

A: P( new case) ==0.0145q=1-p=1-0.0145=0.9855n=110 people

Q: Is the average time to complete an obstacle course different when a patch is placed over the right…

A: For the given data on course completion time with patches for right and left eyes, since the same…

Q: Suppose the time it takes a data collection operator to fill out an electronic form for a database…

A:

Q: A group of people were asked if they had run a red light in the last year. 239 responded "yes", and…

A: Given,number of people responded yes = 239number of people responded no = 178total number of people…

Q: An earth-conscious clothing store offers a 15% discount if you bring in a bag full of old clothing…

A: From the given information, n=20 and p=0.69.

Q: A family has two cars that are insured, a sports car and a commuting vehicle. The probability that…

A: From the given information let us consider,Let us denote the probability that the sports caris in an…

Q: group of people were asked if they had run a red light in the last year. 214 responded "yes", and…

A:

Q: A group of people were asked if they had run a red light in the last year. 210 responded "yes", and…

A: The probability of an event A can be found using the formula: PA=nFnT Here,  nF is the number of…

Q: The probability that a box contains a large particle is 0.1. What is the probability that 2nd large…

A: Let p be the probability that a box contains a large particle. Given that p = 0.1 Let X denote the…

Q: Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: N=9P= 0.45