1. What percentage of batteries fail within the first 1541 hours of operation? 2. What percentage of batteries fail after more than 2763 hours of operation? 3. what time represents the point when 60% the batteries fail on or before this time?

Q: 4. If the sale of ice cream and pizza are independent, then as ice cream sales decrease by 60…

A: Given that  The sale of ice cream and Pizza are independent . The ice cream sales decrease by 60%…

Q: 6. In the table above, who had the lowest average expenditure?

A: In this question we have to find the lowest average expenditure.

Q: a) What is the oldest age at which someone got their license? b) What is the youngest age at which…

A: here as per guidelines i have calculated 3 subparts , plz repost for  remaining  here from given…

Q: 4) Predict the acres per fire for a fire occurring in 2025. Is this a reliable prediction? Why or…

A: Note: Hey there! Thank you for the question. As you have particularly mentioned that you need help…

Q: ence rate of tub

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

Q: What percentage of students are enrolled in between 12 and 18 credits?

A:

Q: About what percent of the products last between 12 and 15 days?

A:

Q: What is the requested percentage?

A: 4.70c) In  this question, we have given Mean=513 S.D=130 To find the percentage for the score less…

Q: 66,722 Cincinnati residents over the age of 25 have a Bachelor’s degree or higher. What percentage…

A: The data is given as follows: Age Population Under 5 years 21934 5 to 9 years…

Q: Records show that 13% of all college students are foreign students who also smoke. It is also known…

A: Conditional probability- It is known a sample space consists of all probable outcomes of an…

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: Of 60 patients treated with a certain medication, 24 showed no improvement. What percent of patients…

A: Total patient=60 Patient who showed no improvement=24 To calculate: what percent of patients…

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: 1 A company employed 300 workers when it started and now employs 852 workers. (a) Calculate the…

A: Initial number of workers is 300 Workers at present is 852   Now, precentage…

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: a. What is the frequency for CEO ages berween 54 and 65? b. What percentage of CEOS are 65 vears or…

A: Consider the table ,  Age Frequency Relative frequency Cumulative relative frequency 40-44 3…

Q: Represent it by a suitable percentage diagram.

A: ANSWER The percentage values are converted into degree values using the following formula. Degree…

Q: What percentage of the variation in  can be explained by the corresponding variations in  and  taken…

A: X1 is the dependent variable  X2 and X3 are the independent variables.

Q: Movie Ge Superhero Comedy Drama Total 6th grade 9. 46 20 17 7th Grade 13 19 13 45 8th Grade 14 14 13…

A: To find the percentage of students watching superhero movies.

Q: What percentage of pets are Rabbits?

A:

Q: 13. You improve your time running a course by 5 seconds in week one, by 3 seconds in week two, and…

A: Given, for 1st week ----> 5 seconds improvedfor 2nd week ----> 3 seconds improvedfor 3rd week…

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: The graph below shows cumulative proportions plotted against numbers of employees working in…

A: The interquartile range is defined as the difference between third quartile and the first quartile.…

Q: 13. Does the last column of percentages in the table add up to 100%?Check the researchers'…

A: 13. The last column of percentages is given as: % 20.6 5.9 12.4 18.3 14.4 11.1 9.5…

Q: Fetal autopsies 3 Autopsies: Pediatric pts 1 Autopsies: Emergency room pts 12 Autopsies: cancer pts…

A: Introduction: Fetal autopsy rate is the rate at which fetal deaths result in autopsies, and the…

Q: How many people do we need to sample? We would like to be within 3 percent of the actual answer and…

A:

Q: Compare the results of the Paasche versus the Laspeyres Index for the year 1984?

A: Year 1984 is given as a currant year where as the year 1983 as the base year. Laspeyres index: The…

Q: Assume we look at only 0.001% of this microbiome. (a) How many microorganisms are we studying? (b)…

A:

Q: Based on the information, what is the cumulative relative frequency for the 50.2% - 59.7% change in…

A: It is given that Cumulative frequency for class 50.2-59.7 is = 45 Total frequency = 50

Q: What Percentage of deaths occurred after 2006?

A:

Q: 7. What proportion of time was spent eating and drinking?

A: Given Data is : Sleeping = 8.6 At school = 6.3 Socializing, Relaxing = 3.6 Other = 1.6 Travelling /…

Q: A community has a population of 76,000. A total of 3,650 deaths were reported during the past year.…

A: Given problem is : A community has a population of 76,000. A total of 3,650 deaths were reported…

Q: 1(a). What is the point estimate for the proportion of people who liked the chocolate bar?

A: here use given data

Q: At the beginning of 2007, the population of a certain state was 55.4% rural and 44.6% urban. Based…

A: At the beginning of 2007, the population of a certain state was 55.4% rural and 44.6% urban. Based…

Q: What percentage of the widow Students are female

A:

Q: Estimate the following percentages without using a calculator. 10.1% of 7,800 is  0.99% of 83,583…

A: Percentage= (value ×percent)/100

Q: The amount of radioactive material in a sample halves every 14 hours. By what percent does the…

A: Given that  The amount of radioactive material in a sample halves every 14 hours. The equation of…

Q: (a) What proportion of babies born full term are low-birth-weight babies? (b) What proportion of…

A: From the given information, let X be the full term baby birth weights. Here, X follows normally…

Q: a hospital wants to estimate the percentage of admitted patients who receive Medicare benefits. if…

A: To calculate the minimum sample size require to be 95% sure that margin of error will fall within 4…

Q: Approximately what percent of students own somewhere between 30 and 50 CDs? O 50% O 4% O 20% O 25%

A: It is given that the statistical five number of summary of the number of CDs owned as reported by…

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

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION , AS YOU HAVE POSTED MULTIPLE QUESTION PLZ…

Q: (a) The manager of a certain office supply store plans to increase the stock of calculators by a…

A: Given Current supply of calculator is 170.

Q: a) What proportion of the sampled wafers had (P 2 8)? b) What proportion of the sampled wafers had…

A: 5. a) The frequency is, Number of Particles Cumulative frequency Frequency Number of Particles…

Q: You are interested in conducting a study to determine the proportion of Thunder Bay high school…

A:

Q: What percent of Males are Right Handed? (Round to the nearest Whole Percent) Gender compared to…

A: In this question we need to find a % of males are right handed . While calculating percentage of…

Q: The number of passengers using a rail link fell from 190,205 to 174,989. Find the percentage…

A: In this question, we have to find the percent decrease in rail link.

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: (a) What proportion of combined GRE scores can be expected to be over 163.4? (b) What proportion of…

A: mean = 150 s = 8.8

Q: 72% of Americans said that they plan to travel in 2021, and 9% of those who plan to travelintend to…

A: For example we take 100 Americans 72% of Americans said that they planned to travel in 2021, 72% =…