A consignment of 15 record players contains 4 defectives. The record players are selected at random, one by one, and examined. Those examined are not put back. what is the probability that the 9th one examined is the last defective?

Q: Check here for instructional material to complete this problem. Evaluate E=z 92 = 0.9982. * A P₁-9₁…

A: Answer:- Evaluate E = z*p1×q1n1+ p2×q2n2                     Where,  z* = 2.33,  n1 = 2956, n2 =…

Q: What is the height, in cm, of the actual hen? cm

A: Given that  Height of hen = 16 unit

Q: Note that 5% of the population suffers from a particular disease. There is a diagnostic test to…

A:

Q: Check here for instructional material to complete this problem. Evaluate E=z * and q₂ = 1-P₂- E= P₁…

A: The given values are z*=2.575,x1=32,x2=85,n1=38,n2=101.

Q: Critical Value: Margin of Error: Lower Bound: Upper Bound: Interpret (context) OEM C *2 decimals *2…

A: * Hi! Thank you for the question As per the honour code, We’ll answer the first question since the…

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A:

Q: The following table is of profit, revenue, and number of employees of 10 companies. Profit US $…

A: The question is about measures Given :   To find : a ) The mean profit per company b ) The overall…

Q: . If the ball is white, find the probability that the first urn was selected

A: Let us define some events A : The first urn is selected. B : the second urn is selected. E : the…

Q: Winning team data were collected for teams in different sports, with the results given in the…

A: Let Xi = Denotes the home / visitor Yi = denotes the Sports.

Q: ted below are the numbers of hurricanes that occurred in each year in a certain region. The data are…

A: Given: n = 14 Formula Used: Range = Max - Min Variance s2 = ∑Xi-X2n-1 Standard deviation s = s2

Q: Emilio wants to estimate the percentage of people who have a financial adviser. He surveys 350…

A: given data  n = 350 x = 76 we have to interprete 99% confidence intervl.

Q: A resident of Bayport claims to the City Council that the proportion of Westside residents (1) with…

A: Westside residents are 578; n1=578 The number of westside residents below the poverty line is 78;…

Q: A box of fifteen gloves contains six left-handed gloves and nive right-handed gloves. a. If two…

A: The question is about counting theory Given : Total no. of gloves = 15 Total no. of left handed…

Q: if P(A and B)=P(A)*P(B) then P(A and B) cannot equal P(A)+P(B) True or False

A: It is given that  P(A and B) = P(A)*P(B)

Q: Suppose a 5% of the items produced by a machine is defective. If a quality controller selects two…

A: Given that  Success of probability p =0.05 Number of trials n=2 X~binomial (n,p)

Q: Biochemical oxygen demand (BOD) measures organic pollutants in water by measuring the amount of…

A: Y= mX+C m=slope C= y- intercept   Here relationship between BOD and TOD BOD = -55.48 + 1.506 TOC…

Q: g. For the entire data (North and South combined), what is the cumulative frequency of the $200 to…

A: From given data we have

Q: the probability of rolling “5” after 6 rolls is 1/6, what is the complement of the  probability of…

A: Given that  The probability of rolling “5” after 6 rolls=P(A)=1/6

Q: A botanist grew 24 pepper plants on the same greenhouse bench. After 21 days, she measured the total…

A: Given data 9.8, 10.1, 10.9, 11.3, 11.8, 11.9, 12.0, 12.0, 12.1, 12.2, 12.2, 12.3, 12.5, 12.6, 12.7,…

Q: proof that It A and two events with positive probabilities P(A) ±0, P(B) ±0, then A and are…

A:

Q: A researcher wishes to be 95% confident that her estimate of the true proportion of individuals who…

A: Suppose p is the true proportion of individuals who travel overseas.

Q: hey (in dollars) the company spent on medical support for its employees in the first three months of…

A: Giving From the given table Formula for weighted mean =(summation of fi *xi)/summation of fi)

Q: Which type of t-test is best for the following ariables:(a) Age measured by # of years old (b) Life…

A: We have to determine which type of t-test is applicable in given situation.

Q: Use the data set "longley" in R to answer the following questions Read the data set "longley" in R…

A: Given information: R is a programming language that is free software and it is used as statistical…

Q: (A) The value "df" stands for derivatives of freedom (B) These values give an idea how "warped"…

A: Given:  True or false  a): the value df stand for derivatives of freedom  b): this value give an…

Q: Use the following cell phone airport data speeds (Mbps) from a particular network. Find P70 0.3 0.3…

A: Given the data(x) of cell phone airport data speeds(Mbps) from a particular network.Given data in…

Q: A newspaper story daims that more houses are purchased by singles now than singles 5 years ago. To…

A: Suppose p1, p2 are the true population proportions of houses purchased by singles now and singles 5…

Q: A hospital wants to compare its annual patient turnover rate per bed with similar hospitals. The…

A:

Q: Consider the following hypothesis test: Ho: μ = 17 Ha: μ # 17 A sample of 50 provided a sample mean…

A: Given data Mean = 14.37 Sd = 6 N = 50 Hypothesis test H0:μ=17 Ha:μ≠ 17 (This is two tailed test )

Q: The pmf for X=the number of major defects on a randomly selected appliance of a certain type p(x) 0…

A: X: the number of major defects on a randomly selected appliance of a certain typeThe pmf of X; x…

Q: The 2011 data of foreign-born population in the five boroughs of NYC is given in the Table 3-1 ,(…

A: From the given table, it can be seen that the overall percentage of foreign-born New Yorkers is…

Q: Given: population = 15,000 error level = 0.05 compute for the sample size, show solution, do not…

A: Given information: N=15000E=0.05

Q: Interpret this t-test result: t(85) = 4.125; p-value = 0.009 O The t-test, t(85) = 4.125, is…

A: Answer: From the given data, t(85) =4.125 p value =0.009

Q: The lengths of nails produced in a factory are normally distributed with a mean of 3.343.34…

A: Z= X-mean/standard deviation Where Z is known as standard normal variable

Q: If an applicant were to obtain a score of 123, how many standard deviations away is this score from…

A: It is given that Mean = 149.7 SD = 8.2 Score of the student X = 123

Q: Find the conditional expectation E(Y|X=1) Find the conditional expectation E(XY = 2)

A: Solution

Q: Determine the area under the standard norm (a) Z= -0.09, (b) Z= -1.47, (c) Z= - 1.19,

A: It is given that the standard normal random variable Z with mean 0 and standard deviation 1.   Note:…

Q: Every cereal box has a gift inside, but you cannot tell from the outside what the gift is. The store…

A: Answer: From the given data, Number of boxes on the shelf have the secret decoder ring = 16 Number…

Q: A variable X is distributed at random between the values 0 and 4 and its probability density…

A:

Q: Which type of t-test is best for the follo variables:(a) Citizenship as Filipino and Satisfaction as…

A: t-test Independent sample t-test paired sample t-test

Q: Outline strategies that you could reasonably and legally implement to remove the likelihood of…

A: Question: Outline strategies that you could reasonably and legally implement to remove the…

Q: The Math teacher gave the class a set of 12 review problems and told them that the midterm exam…

A: Given that, The Math teacher gave the class a set of 12 review problems and told them that the…

Q: Evaluate E= Z and q2 = 1-P₂ E= A A P₁91 P2 92 + n₁ n₂ A A X1 for z* = 2.575, x₁ = 35, x₂ = 96, n₁ =…

A: The question is about margin of error Given : z* = 2.575 x1 = 35 x2 = 96 n1 = 40 n2 = 113   To find…

Q: (d) Find the 10th percentiles. (Round your answer to two decimal places.) X = X-bar = 66.67

A:

Q: Consider the normal distribution with mean 67 and standard deviation 20. Find the area under the…

A:

Q: Check here for instructional material to complete this problem. n₂ The variable df is defined to be…

A: Give that  The variable df is defined as smaller of (n1-1) and (n2-1) Here, n1 = 184  and n2 = 193…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Given: n = 6 α = 0.01 Formula Used: Correlation coefficient r = n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2…

Q: 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 Male 46-55 Diploma Female 46-55 Diploma Female 26-35…

A: Gender Age Qualification Burnout Depersonalization Achieve Syndrome Performance…

Q: Check here for instructional material to complete this problem. Evaluate q = 1-p for p = 0.043901.…

A: It is given that, p¯=0.043901

Q: What would this be in fraction form?

A: Given that, Number of students who have cheated =840 Number of students who have not cheated =1765…