Bicycles for hire at the Durban Beach front are deemed beyond repair when one or both its wheels are damaged. According to current statistics, there is an 8% chance that the front wheel gets damaged and a 12% chance the back wheel gets damaged. What is the probability that a hired bike will be deemed beyond repair, provided that the wheels get damaged independently of each other?

Q: EXPERIENCES HAD SHOWN THAT 20% OF A MANUFACTURED PRODUCT IS ON THE TOP QUALITY. IN DAY PRODUCTION OF…

A:

Q: True or False 9. Parameters are important component in any statistical analysis. 10. The examples of…

A: Given that  True or False   9. Parameters are important component in any statistical analysis.   10.…

Q: Scenario: Is there a relationship between amount of time at a job (X) and productivity (Y)? The…

A: Four types of measurement levels: Nominal level: It consists of only categories in which the data…

Q: Road Transport Department claims that the mean speed of cars on a highway is 114 km/h. An insurance…

A:

Q: According to Census data, in 1960 the population of the U.S amounted to 151.3 million persons, and…

A: Given : In 1960 the population of the U.S was 151.3 million and 13.4% of them were living in the…

Q: In the general population, IQ scores are normally distributed with a mean of 95 and a standard…

A: Cohen's d measures the error difference in the mean of standard units. It is calculated by combined…

Q: In a log normal distribution. What is the expected value of the mean and the Std. And what is the…

A: The mean and standard deviation of log normal distribution is to be found out. The log normal…

Q: A school psychologist is interested in the efficiency of administration for a new intelligence test…

A: Given: A researcher is interested to test the  efficiency of administration for a new intelligence…

Q: A store manager claims that the mean amount of time customers spend waiting in line is less than the…

A: Given Mean=3.7 Standard deviations=0.8 n=85

Q: True or false For a normally distributed random variable, P(X > µ) = .5 %3D

A:

Q: what is the expected number is successes

A: Solution:  Given information:  Let X represent the number of US female citizens.  p= 0.51…

Q: n the chi-square distribution, the curve is   symmetrical   non symmetrical and skewed to the right…

A: Solution: Chi-square variable: The Chi-square variable can be defined as the square of standard…

Q: Dr. Xyz claims that the average salary of workers in Jones is P35,000. A random sample of 100…

A: Given: Mean to be tested, μ=35000Sample size, n=100Sample mean, x¯=40000

Q: marks=β^1+β^2facebookposts; where β^1 = 86.7855 and β^2 = -3.0090   Question: If the standard error…

A: The provided information is The regression equation ismarks=86.7855-3.0090*facebokkposts.Then the…

Q: The frequency table below shows the compressive strength of concrete cubes results: Compressive…

A: Given frequency table is Compressive strength (Mpa) No. of cubes 41-50 6 51-60 10 61-70…

Q: Using the z-table, find the following Normal Probabilities:  P(z<1.46) (3)  P(2.1<z<1.32)

A:

Q: least squares regression line was calculated to relate the length​ (cm) of newborn boys to their…

A: Given weight=−5.82+0.1601 length. A newborn was 48 cm long weighed 3 kg.

Q: If MS,- 76, MS- 22, n- 10, df- 27, Y- 30, and a- 0.05, what is the confidence interval? 27.47SAS…

A: Given: MSBetween = 76MSwithin = 22n = 10df = 27X = 30α = 0.05

Q: Consider the following model of the Philips curve. In this model inflation is regressed upon…

A: a) Serial correlation: Serial correlation is the correlation between the variable and its lagged…

Q: 1.) Explain the decision making process by giving an example. 2.) What is your understanding of…

A: Decision Making: It is the process of making a decision or choice by analyzing the gathered…

Q: Calculate my average  exam 1=35 exam 2= 47 exam 3=67 exam 4= 80.625 homework 1b = 95.14…

A: For a set of n observations, x1, x2, ... , xn mean is given by, Let and be the means of two samples…

Q: Which of the following is a probabilistic sampling approach that does not require the use of a…

A: The objective is to find the appropriate probabilistic sampling method that doesn't require a…

Q: A large sample of children was followed over time. One investigator looked at all the children who…

A: Percentile: Percentile is the percentage of data values that lies below a particular data value.…

Q: +, 10, 20 14, 17, 16, 21, 24, 22, 30, 35, 26 and 16 inches. Determine the median height.

A:

Q: 3) Please answer the question and show your work in the space provided. The scatterplot below shows…

A: The question is based on a residual Given reg. eq : y = 6.642 + 0.03974x where, y : expected…

Q: A certain type of cabbage has a mass M which is normally distributed with mean 900 g and standard…

A: Given distribution is normally distributed with mean 900 and standard deviation 100 X~N(μ=900,σ=100)…

Q: A sample of size n = 14 has a sample mean x = 11.9 and sample standard deviation s = 2.1. Construct…

A:

Q: Can I use  CRONBACH’S ALPHA in testing the reliability of the device? How?

A: CRONBACH's Alpha:  It is a measure of internal consistency. Cronbach alpha can be considered as a…

Q: WHAT IS TYPE 1 ERROR? * A. ACCEPT Ho IF Ho IS TRUE B. ACCEPT Ho IF Ho IS FALSE C. REJECT Ho IF Ho IS…

A: Type II error is accepting Ho when it is false.

Q: The data that follow represent the yield on 90 consecutive batches of ceramic substrate to which a…

A: Given data:…

Q: Solve for the mean plant height of the plants in replication under the following observations: Plant…

A: Given thatThere are total 5 plantsHence n=5 Number of plants Plants Height in cm 1 15 2 20…

Q: A home improvement company is interested in improving customer satisfaction rate from the 70%…

A:

Q: THE PERFORMANCE OF A COMPUTER IS OBSERVED OVER A PERIOD OF 2 YEARS TO CHECK THE OCLAIM THAT THE…

A:

Q: Find the critical value of z for a hypothesis test if = 0.025 for a right tail test. O 2.575 O 1.645…

A:

Q: nditional probability that a randomly generated bit string of length four contains at least two…

A: 4 Bit binary string  P(0) = 0.5 and P(1) = 0.5 S No Bit 1 Bit 2 Bit 3 Bit 4 1 0 0 0 0 2 0 0…

Q: Part a was incorrect, the answer is  Ho: mean is > or = to 758 (claim) Ha: mean is < 758 part b…

A: Data given   Population mean μ=758, n=27, sample mean x̄=737, standard deviations σ=61, level of…

Q: Announcements for 84 upcoming engineering conferences were randomly picked from a stack of IEEE…

A: For the given data Find   In words, define the random variables X and ?⎯⎯⎯X¯. Which distribution…

Q: In the general population, daily water consumption is normally distributed with a mean of 1,114ml…

A: For the given data Find lower bound =?

Q: Announcements for 84 upcoming engineering conferences were randomly picked from a stack of IEEE…

A: Solution-: Given: n=84,x¯=3.94,s=1.28 We want to (1) In words define the random variable X and  X¯ ?…

Q: 1. The mean serum cholesterol level of a large population of overweight children is 220 milligrams…

A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you…

Q: following dotplots represent the heights, measured to the nearest cm, of 14 women Women's heights o…

A: Given that

Q: Convert to degrees. 9.

A: Answer is 140 degree.

Q: Q3): shown in table below: In a factory for the production of pre-cast beams, which have different…

A: We should find the frequency distribution table and draw the histogram for the given data.

Q: Your current task assumes that the average handle time (AHT) for call center employees affects how…

A: Causal logic is used in research studies when there is some cause-and-effect relationship between…

Q: True or false 1. A negative odds ratio is an indication that exposure decreases the odds of disease.

A: The odds ratio is a statistical measure that is used to determine the association between an…

Q: The correct answer for Ho and Ha is Ho: mean greater than or = to 32 Ha; mean is less than 32…

A: here use given Information to perform Hypothesis Testing

Q: Only the final answer should be rounded off to TWO decimal places. 1. If P(-z0 < z < z0) = 0.76,…

A: As per company guidelines I solved exactly three subparts of the question.

Q: CLAIMED THAT A RANDOM SAMPLE OF 49 TYRES IS A MEAN LIFE OF 15200 KM. THIS SAMPLE WAS DRAWN FROM A…

A: Note:  As per answering guidelines I have to answer only one question at a time. Please repost the…

Q: Q3. A company for fuel stations wanted to check two fuel pumps since there was a doubt that there is…

A:

Q: A fair die is rolled 36 times. If there are 5 aces (one dot),  that means the observed percentage of…

A: