An online retailer operates two independent warehouses (A & B) where it keeps its inventory. Each warehouse has a .05 probability of experiencing a fire. If a fire is experienced in a given warehouse, $1,000 in inventory will be lost. What is the pooled standard deviation of the warehouses per warehouse

Q: To estimate the average lifetime of a certain type of battery a random sample of 64 batteries is…

A: Given,sample size(n)=64sample mean(x¯)=4.5standard deviation(s)=0.4

Q: Identify the term being described 1.) It is the totality of cbjects, individuals, things under…

A: We have to give the terms for the given descriptions. Note : According to our guidelines we are…

Q: dolph's electronics makes sets of christmas lights. on average, 4% of the bulbs produced by their…

A: given data, rudolph's electronics makes sets of christmas lights. on average, 4% of the bulbs…

Q: breifly explain history of marshall olkin transformation?

A: -> The Marshall-Olkin transformation is a method used to extend the distribution of a single…

Q: This was incorrect.

A: The given sample size for first sample is 258 in which 78 are identified as a "dog person", and…

Q: In a survey, 27 people were asked how much they spent on their child's last birthday gift. The…

A: Given that n=27, s=6, Confidence level=95%

Q: n 10 Mean 5 p (probability of success) 0.5 Standard deviation 1.58 Number of Success 0 1 2 3 4…

A: Given that: Sample size, n=5 Success probability, p=0.5 Mean of binomial distribution, μ=5 Standard…

Q: 5. Amanda asked some students in her class how many movies they have watched on TV in the last 12…

A: Given that From stem and leaf the data are 1,9,12,12,21,24,25,29,41.

Q: If a hypothesis is rejected at the 0.05 levels of significance it

A: Answer:- given statement,  A hypothesis is rejected at the 0.05 levels of significance.  We know…

Q: (a) Are living below the poverty line and speaking a foreign language at home disjoint? (b) Draw a…

A: Let A be the event that People in America live below the poverty line. B be the event that those…

Q: The relationship between number of beers consumed (x) and blood alcohol content (y) was studied in…

A:

Q: Mac or PC? A recent census at a major university revealed that 60% of its students mainly used Macs.…

A: The events of interest are interpreted from the given data: Event M: A student, who uses Macs. Event…

Q: Suppose that the index model for two Canadian stocks HD and ML is estimated with the following…

A: Given: RHD =-0.03+2.10RM+eHD R-squared =0.7 RML =0.06+1.60RM+eML R-squared =0.6 σM =0.15

Q: Difference between Anderson darling , kolmogorov smirnov and spairo wilk test?

A: The following tests are used to test the normality of the data. Anderson darling test Kolmogorov…

Q: Based on Data Set 1 “Body Data” in Appendix B, males have pulse rates with a mean of 69.6 beats per…

A: The question is about continuous prob. distribution Given : Mean pulse rate of data set ( x¯ ) =…

Q: of four cans are selected. Find the number of elements in the sample space. oping

A: Let us consider d as diet cola and r as regular cloa 1. If two consecutive cans of the same type of…

Q: what is the population of this study

A: To find : Population of given study

Q: Why is it necessary for a sample to be obtained randomly rather than conveniently?

A: Since we know that Random sampling makes.  sure that the findings you get from your sample should be…

Q: h)Create a 94% prediction interval for u. (

A: Given the critical value at 94% confidence interval   zα=2.0462 Given x¯ 19.06667 s 6.7344 n…

Q: 14.33 A preservative was added to fresh and wilted alfalfa silage (Snedecor 1948). The lactic acid…

A: Given data:       Period     Condition 1 2 3 4 5 Fresh 13.4 37.5 65.2 60.8 37.7   16 42.7…

Q: he data in the table below presents the hourly quantity of production for three lines of…

A: Given that: Day Process 1 Process 2 Process 3 1 33 33 28 2 30 35 36…

Q: The lengths of adult males' hands are normally distributed with mean 189 mm and standard deviation…

A: The question is about sampling dist. Given : Popl. mean length of adults males' hands ( μ ) = 189 mm…

Q: Find a 99% confidence interval in the difference of the means. Use technology to find the critical…

A:

Q: a) getting the 5 of heart; b) getting a king; c) getting a king if the king of spade was lost from…

A: Total no. of cards = 52 A card is drawn from the standard deck. To find the following probabilities.…

Q: Which pair of events is likely to be positively correlated? O a. stock prices of computer companies…

A: It is needed to find the best pair of events which positive correlation.

Q: 3. Using the same data in #2, a. Calculate Spearman's r. b. Which of the two correlation…

A: Two variables  X Violent Incidents Y Officers Assigned       A B C D E F G H I J X…

Q: Suppose another researcher takes a random sample of 1000 subjects from the same population (US…

A:

Q: A personality test has a subsection designed to assess the "honesty" of the test-taker. Suppose that…

A: The question is about sample size estimation Given : Popl. std. deviation of scores ( σ ) = 21…

Q: UPSA conducts both day and evening sessions for MBA programmes intended to be the same in  quality…

A: Given that: Day Sessions for MBA programme: Sample size, n1=25 Sample mean score, x¯1=72.4 Sample…

Q: 10000 resistors are to be produced with a specification limit of 100 ±7 ohms. by measuring the first…

A: Given information: n=10000, μ=102, σ=5

Q: 5-52. Interpretation of Regression Results Lerner, Inc., is accumulating data to prepare its annual…

A: The regression results is given as: Intercept=684.65b coefficient=7.29R2=0.79724

Q: The following data represent the menthly phone use, in minutes, of a customer enroled in a fraud…

A: Given that: 352, 309, 355, 332, 474, 428, 354, 327, 518, 323, 429, 429 369, 489, 332, 405, 497, 530,…

Q: A sample of 15, 10 years -old children was taken to study whether watching television reduces…

A: Given information: The data for the number of hours watching television and overweight in kg for…

Q: political campaign is interested in whether city 1 has less support for raising the minimum wage…

A: since there are multiple parts, first 4 parts answered in detail. Kindly repost for more help.

Q: a. Find the probability that at least one household is tuned to 60 Minutes. b. Find the probability…

A: Let X be the random variable that the number of households is tuned to 60 minutes.  Here X ~ bin(n =…

Q: (a) Describe the rough shape of real and nominal term structure on Dec. 5th 2022. (Increasing,…

A: (a) Based on the data provided, the nominal term structure on December 5th, 2022 appears to be…

Q: Imagine that you are a researcher interested in examining the impact of taking daily walks on a…

A: The question is about central limit theorem Given : Popl. mean score ( μ ) = 68 Popl. std. deviation…

Q: customer satisfaction survey has been recently conducted by Company A. Most customers were satisfied…

A: Given that n=200,p=5%=0.05  X be the number of dissatisfied customers. p be the probability of…

Q: Each of two parents has the genotype blond /red, which consists of the pair of alleles that…

A: Introduction The probability shows how likely an event occurs.

Q: You conduct a study to determine whether men and women have different colour preferences when buying…

A: The observed frequencies are given as: The expected frequencies are given as:

Q: State Population Standard quota Minimum quota Fractional remainder Final apportionment A B|C_|_D с…

A: Let us use the Hamilton method to fill the table. The steps are Calculate each state's standard…

Q: 2. Find the quartiles for these data values: 5, 7, 7, 8, 10, 11, 12, 15, 17 O A Q₁ = 7, Q2 = 11, Q3…

A: data in accending order are : 5,7,7,8,10,11,12,15,17n= 9

Q: Construct a frequency distribution for the given data set using 6 classes. In the table, include the…

A: The question is about frequency distribution Given :   To find : 1 ) Construct freq. table 2 )…

Q: 7.35. A company has 1250 employees, and you want to take a simple random sample of n = 60 employees.…

A: A random number table consists of the digits from 0,1,2,3,to 6,7,8,9. In the table, the probability…

Q: a. Identify the dependent variable (this is the outcome measure) and the independent variable (this…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

Q: 8.  A correctional facility firm has hired a total of 116 new prison guards to send to its four…

A: Given The total number of inmates =23+256+180+306=765 The total number of apportionment of guards…

Q: how many pesos should she expect to recive from th eexchange?

A:

Q: Example: In 16 one-hour test runs, the gasoline consumption of an engine averaged 16.4 gallones with…

A: From the provided information, Sample size (n) = 16 Sample mean (x̄) = 16.4 Sample standard…

Q: A sample of 30 UDM Chemistry students from the College of Science were given an IQ test. The sample…

A: For the distribution of students' IQ scores, it is given that: The sample size, n=30 The sample…

Q: Brian is undecided as to whether to take a French course or a Russian course. He estimates that his…

A: Answer  Given  Probability of receiving an A grade would be in a French course =1/3 and in Russian…