Questions 5-7. Suppose .01% of the residents of a city with 1 million people are terrorists. The city buys facial recognition software that can identify these terrorists with 99% accuracy. Test Test Total Positive Negative Shows Shows Terrorist Not a Terrorist Total If the police receive a 'hit' on a recognized face, what is the probability that it was a false positive? (enter answer as a percent rounded to the nearest tenth as needed)

Q: A structure with a design life of 50 year is planned for a site where high-intensity earthquakes may...

A: Let X be the time spent on academic activities random variable: X~N P(Not damaged)=0.99

Q: A combination lock that consists of the digits 0 through 9 requires a sequence of five numbers to op...

A: Given Information :  A combination lock that consists of the digits 0 through 9 requires a sequence ...

Q: A manufacturer of women’s blouses has noticed that 80% of their blouses have no flaws, 15% of their ...

A: Let x be the number of flaws x P(X) XP(X) 0 0.80 0 1 0.15 0.15 2 0.05 ...

Q: Let z be a random variable with a standard normal distribution. Find the indicated probability. (Rou...

A: Let z be a random variable with a standard normal distribution. P(Z≤-1.88)

Q: A manufacturing company performs a quality-control analysis on the ceramic tile it produces. Suppose...

A: The number of ways in which 3 tiles can be selected from a set of 22 tiles, nS=C322=22×21×203×2×1=15...

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1043 dollars. Assume the stan...

A: Given that, μ=1043,σ=128,n=59 The probability that a single randomly selected policy has a mean valu...

Q: Show full solution and clearly explain and / or justify your answer using suitable terminology and p...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: 7. In an effort to reduce the amount of smoking, the administration of a hospital is considering the...

A: a) From the table 191 among 1000 students were against smoking clinic.so the required probability=n(...

Q: The Scholastic Aptitude Test (SAT) was taken by 1,698,521 college-bound students in the class of 201...

A: The 1st graph is the distribution of scores of critical reading. And given that the point B is the m...

Q: Select the best suitable answer. If none of the choices represents a correct answer, select the “Oth...

A: Given that,(n+2)(n+1)n!

Q: An individual is playing a game that involves spinning a wheel with 7 sections. 6 sections are the c...

A: Given: Total Number of sections=7   To win the game individual must spin the wheel twice and each sp...

Q: Data from the Bureau of Labor Statistics indicates that in a certain month, 39.9% of the labor force...

A: Given: Probability of high school diploma or fewer years of education, P(H)=39.9%P(H)=0.399 High sch...

Q: If the joint probability density function e-Yi 0 < y2 < Y1 <o∞ f(y1, Y2) elsewhere Find a) E(Y¡Y½) =...

A: GIVEN DATA : Joint probability density function fy1,y2=e-y1 0≤y2≤y1≤∞0 elsewhere TO FIND : (a). Ey1y...

Q: Test the claim about the population​ mean, μ​, at the given level of significance using the given sa...

A: State the hypotheses. That is, the population mean equals 6000. That is, the population mean do no...

Q: Brown's, a local bakery, is worried about increased costs particularly energy. Last year's records c...

A: Express the equation for the percentage change: Increase or decrease. Percentage change=Final value-...

Q: movie ratings of one star through five stars are what level of measurements?

A: Solution:   Identify the correct option for the given example.   The correct option is identified be...

Q: A player tosses three fair coins. He wins $5 if 3 heads occur, $3 if two heads occur, and 1 if only ...

A: Total number of coins is 3. The winning price at 3 heads occur is $5. The winning price at 2 heads o...

Q: 300 students in a high school freshman class are surveyed about what kinds of pets they have. Of the...

A: As due to the honor code we are authorized to answer only 3 subparts for each question and that you ...

Q: Use the given information to complete the solution of each partially solved Venn diagram. n(A) = 14...

A: Given that nA=14, nB=20, nS=145  

Q: Roberto buys a bag of cookies that contains 9 chocolate chip cookies, 9 peanut butter cookies, 4 sug...

A: He can select the first oatmeal cookie in 6 ways. He can select a peanut butter cookie in 9 ways.So ...

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of...

A: Let us denote X=The lengths of the steel rodsX follows normal distribution with mean=196.2 and stand...

Q: You need to choose 4 random digits to create a 4-digit code for the lock on the safe. 0000 and numbe...

A: The lock consist of 4 digit code 1st 2nd 3rd 4th The first place can be filled in 10 ways by u...

Q: If a fiancial services committee had 60 members, of which 10 were women, if 8 members are selected a...

A: From the given information,   Total members = 60 Number of women = 10 Number of men = 60 -10 = 50  

Q: A structure with a design life of 50 year is planned for a site where high-intensity earthquakes may...

A: Given; Design life=50 years P(not suffering damage within its design life)=0.99 Return period of ea...

Q: On weekdays during the academic year, the number of telephone calls at the main University call cent...

A:

Q: Consider the following two random experiment scenarios and answer the questions that follow:Scenario...

A: As per Scenario 1: A basket contains 3 red and 4 green balls. A random experiment is performed such ...

Q: Suppose you are producing an outdoor festival. You estimate that you will make $200000 if it does no...

A: Given that the chance of rain is 26%=0.26 for the day of the concert. So the chance of not raining=(...

Q: The joint probability density function of X and Y is given by { 4.r y, 0<r<1;0<y<1 f(r,y) = 0, %3D o...

A: Given that, W=XZ and Z=Y2. Express random variables X and Y in the form of W and Z. X=2WY=2Z Calcula...

Q: Suppose you are producing an outdoor festival. You estimate that you will make $100000 if it does no...

A: Given information- The chance of rain is = 0.35 The chance of it does not rain = 0.65 If it does not...

Q: In a survey of 2001 adults in a recent​ year, 701 made a New​ Year's resolution to eat healthier.  ...

A: Given: Total number of adults, n=2001 Number of adults eat healthier, x=701. p^=xnp^=7012001p^=0.350...

Q: The physical plant at the main campus of a large state university recieves daily requests to replace...

A: We first find the z-score of 45 and 57.z score of 45=45-456=0z score of 57=57-456=2  

Q: The new cold medication was tested by giving 100 people the drug and 100 people a placebo. A control...

A: Given data: The numbers of persons who were given a placebo are p=100. The numbers of persons who we...

Q: Giving a test to a group of students, the grades and gender are summarized below   A B C Total ...

A: From the table we see that 22 students got an C. There are total 59 students.  So, (59-22)=37 studen...

Q: Select the best suitable answer. If none of the choices represents a correct answer, select the “Oth...

A: GIVEN DATA : Pascal's triangle is given       TO FIND : Entries in row third of Pascal's triangle In...

Q: A ski lift states a maximum capacity is 12 people or 2004lb. A worst-case scenario would be 12 adult...

A: Maximum capacity  a ski lifts is 2004 lb. Total number of person ski lifts is 12. Mean of male is we...

Q: A student goes to the library. Let events B= The student checks out a book and D = The student check...

A: Given, Event B=the student check out a book Event D=the student check out a DVD PB=.2PD=.65PD/B=.25 ...

Q: In a factory, in a batch of 100 products, there are on average 3 of defected ones. Please calculate ...

A:

Q: 1) Keesha has 24 beads to add equally to each bag. Can she still make 6 bags and have no supplies le...

A: Given: Number of beads=24 Number of bags to make=6

Q: On weekdays during the academic year, the number of telephone calls at the main University call cent...

A: Given, On weekdays during the academic year, the number of telephone calls at the main University ca...

Q: Below are the times (in days) it takes for a sample of 21 customers from Andrew's computer store to ...

A: Given: The data set for 21 customers is shown below 19 15 43 39 35 31 27 22 18 ...

Q: Show all steps/calculator commands used using a ti84 graphing calculator. The heights of women age 2...

A: Let us denote: X=The heights of women age 20-29 in the U.S.X follows a normal distribution with mean...

Q: A single die is rolled three times. What is the probability that a 3 will show on the upward face at...

A: GIVEN DATA : A single die is rolled three times.       TO FIND : Probability that a 3 will show on t...

Q: Populations shifts in a certain city follow a particular pattern every year. If a person is living i...

A: Given: population shift in a certain city is given as,   In city In suburbs In out-of-state Total...

Q: Attendance 0.84 0.84 0.84 0.80 The number of students who attended in the first group was The number...

A: The number of students in first group is 400.  

Q: Shrimp are often found in tropical climates and can be raised on farms or caught in the wild. Elena ...

A: Using the given data we make a table   Mexico Honduras Ecuador Total Farm-raised 27 40 52 119 ...

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.