One thousand five hundred circuit breakers are installed. Assuming they have a failure rate of 0.02 per year, how many units (of the original batch) are expected to fail in the 10th year of service?

Q: According to a certain central bank from 2000 to 2016 the average price of a new home in a certain…

A: It is given that, the average price of a new home in a certain region increased by 79% to $483…

Q: It was reported in 2007 that there were 8,955,000 people age 16 or older who had a​ "go outside the​…

A: 20.4% of x=8,955,000 x=?

Q: Since the discovery of the tiger gar population in Lake Richmond, the population of bluegill fish…

A: Since the discovery of the tiger gar population in Lake Richmond, the population of bluegill fish…

Q: ence rate of tub

A: Given, Number of individual cases= 17,357  Estimated population= 275,326,000

Q: If a population has a total number of 5 million and the total birth for the year is 500. Calculate…

A: The total population is 5 million (50,00,000) and the total birth for the year is 500.

Q: 1. Is the average suicide rate in January greater than or less than 1 in 100,000? 2. Are males or…

A: 1. From the graph it can be seen that in the              month of January suicide rate is below 1…

Q: Calculate the infant mortality rate (per 1000): [

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY PLZ REPOST FOR REMAINING Here given,…

Q: . Compute the unadjusted overall mortality rates per 1,000 persons for Populations A & B in Table 1.…

A: Given that For population A, Number of deaths = 500, Total persons = 15000 For population B,  Number…

Q: 104 concert-goers at the Glass House in Pomona, California were asked if they know how to play an…

A: Here it is given that- Number of concert goers  = 104 Number of concert goers who can play an…

Q: (a) What percentage of books last longer than 10 years? (b) What percentage of books last less than…

A: Given: The lifespan of all high school text book is approximately normal with μ=9 yearsσ=2.5 years

Q: Suppose that in 2008, 628,250 citizens died of a certain disease. Assuming the population of the…

A:

Q: In Westford, the use of landlines has been declining at a rate of 10% every year. If there are…

A:

Q: In 2020, the national registry showed that 1,528,684 babies were born. Philippine census in June…

A: Note : As per the guidelines we are supposed to solve only one question at a time. Please repost the…

Q: A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: Given that 9% of the employees suffered lost-time accidents last year. Let this be event A1. P(A1) =…

Q: Suppose that the current (first) generation consists of 3 million people, half of whom are women.…

A:

Q: Given that Germany has a death rate of 11.6 per 1000 and a population of 80,722,792, about how many…

A: The Germany has a death rate of 11.6 per 1000. That is 11.6%, and a population of 80,722,792.

Q: The recorded total number of accidents in a 1.5km section of highway from 2016-2020 is 557. If the…

A: Use the formula for accident rate and Substitute the given datas than simplify.

Q: d. What percentage of terminals will last between 2.5 and 4.5 years? e. If the manufacturer…

A: Mean(µ) = 4 yearsStandard deviations (σ) = 10/12 = 0.83 yearX ~ N (µ, σ )= N(4, 0.83)

Q: A manufacture has been selling 1700 television sets a week at $390 each. A market survey indicates…

A: Given- Manufacturer sells 1700 television sets a week at $390 each . For each $13 the number of sets…

Q: The following table shows the total spent on research and development by industry in a country, in…

A: Here you've given that two variables named as Year and Spending ($ billions). Let us define the…

Q: What percentage of Births occurred among women between the ages of 40 and 42?

A: From the given table we have Total number of births = sum of all observation…

Q: "Nearly 35 in every 100 of Monaco's residents are millionaires. About 2,700 more millionaires are…

A: As per the guideline, only one question (or 3 subparts) can be answered at once. Kindly repost the…

Q: An employment agency requires applicants average at least 70% on a battery of four job skills tests.…

A: Since, It is given that an applicant scores 70%, 76% and 84% on the first three exams. Our Aim is to…

Q: In 2020, the national registry showed that 1,528,684 babies were born. Philippine census in June…

A: Since you have asked multiple questions, we will solve first question for you. If you want any…

Q: . what percentage of females will be forced to look for new pa

A:

Q: A population of single-celled organisms was grown in a Petri dish over a period of 16 hours. The…

A: Given: Time (x) Number (y) 0 25 2 36 4 52 6 68 8 85 10 104 12 142 16 260 To…

Q: A quality-control inspector examined 210 calculators and found 13 of them to be defective. At this…

A:

Q: For a team with 1318 turnovers in a season, find the expected number of wins in a season.

A: It is given that Regression equation of y on x is y = 102 - 0.05x

Q: 200 identical components have been subject to a life test for 1000 hours. Every 100 hours the number…

A: introduction - reliability - reliability describes the consistency of measures or can be explained…

Q: Deflation is..

A: Given, To define deflation

Q: What is the approximate population of Calcville after 12 years?

A: when t=0 ,population of Calcville is 8000 people after 12 years, the approximate population of…

Q: According to the u.s census bureau, the District of Columbia population is currently 572,000. If the…

A: let 10 years ago X be the population of  District of Columbia . If the population has been growing…

Q: For the  past month, 60 new cases of a disease were added to an existing 540 cases. If 2500 people…

A: New cases = 60  Existing cases = 540 Total Cases = 600

Q: What is the cumulative frequency for the fourth class

A: We have to find the cumulative frequency for the fourth class...

Q: 4. A biologist determined that a sample of bacteria hawed every day of an experiment. If there were…

A: Given data is : N0=8 gram t12=1 days How many grams will be left after t=3.5 days

Q: Recently, the annual number of driver deaths per 100,000 for the selected age groups was as lows:

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: How many pocket computers will be sold over the 7 year period between the beginning of 1997 and the…

A:

Q: A quality-control inspector examined 260 calculators and found 9 of them to be defective. At this…

A:

Q: mean: 67.755 standard deviation: 26.871

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

Q: Suppose a charitable organization decides to raise money by raffling a trip worth $500. If 3000…

A: Expected value:The expected value of a random variable is the sum of the possible values that the…

Q: 2. The average adult spends 7 hours every night sleeping. If it is estimated that 20% of sleep is…

A: Here we want to find the time spent in deep sleep each year.

Q: The Closing the Gaps initiative by the Texas Higher Education Coordinating Board established the…

A: here we have to calculate the rate of change of increase student by year rate of increase = (1694247…

Q: A study has concluded that the average loaned amount of private employees from a bank has increased…

A: Descriptive statistics : statistics used to describe data like charts or central tendencies are…

Q: lomly selected a group rmation. Table 1 provie stions. ondent # How much a risk would do you thin…

A:

Q: What percentage change in the total and Hispanic populations occurred in each state between 2000 and…

A: The U.S. Hispanic  populations reached a record 60.6 million in 2019, up 930,000 over the previous…

Q: ritium, a radioactive isotope of hydrogen, has a hald-life of 12.4 years. of an initial sample of 41…

A: Given: The half life of tritium is 12.4 years. The initial mass of the sample is 41 grams.

Q: 3) Estimate the average number of years they stay at their current house for all citizens living in…

A: We have to estimate the average number of years they stay at their current house for all citizens…

Q: Population estimate for The Bahamas for 2007 was 305655 and almost 60% of the population lives on…

A: The net population growth is calculated using the net migration rate, birth rate and death rate.…

Q: 1. What percentage of batteries fail within the first 1541 hours of operation? 2. What percentage of…

A: Arrange the given data in an increasing order as shown below: 14 349 582 1278 2574 35 373 602…