An actress has a probability of getting offered a job after a try-out of 0.02. She plans to keep trying out for new jobs until she gets offered. Assume outcomes of try-outs are independent. Find the probability she will need to attend more than 4 try-outs.

Q: What are the hypotheses?   A   Null: p=0.95 Alternate: p=0.95 B   Null: p=0.95 Alternate:…

A: Given that  The NYC Department of Health wants to know if less than 95% of the dogs in the city have…

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A: Given :     Average (µ) =  69   Standard Deviation (σ) = 2.8

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: It is given that the frequency distribution table. The actual mean is 51.4 miles per hour.

Q: who ran the New York marathon are Mean 2.41 hours, standard deviation 0.48 hours, the range of times…

A:

Q: lighting company ships decorative strings of lights across the country. The strings of lights range…

A:

Q: Test Statistic p-value= =

A: The sample size for first population is 34, sample mean is 4.9 and sample standard deviation is 1.7.…

Q: 0 Find the marginal probability distributions of X and Y. otherwise a) b) Show that the two random…

A:

Q: Suppose you were to collect data for the following pair of variables, ski diving: depth, visibility.…

A: Solution:  Explanatory variable : Explanatory variable is the variable which can be manipulated or…

Q: Jim and Pat are both taking Calculus. Jim scored 92 on a test in his class. The average on the test…

A: To find: Who actually did better? Include the Z-scores as part of the answer.

Q: Calculate range, mean, variance, and standard deviation using the data on the number of injuries…

A: Arrange the data set in ascending order are.  0,0,0,1,1,1,2,2,3,4,4,5,8,9,11 Sample size n =15

Q: Find the least squares approximating line y = 20 + 2₁ for the following sets 21 of data points. What…

A: It is given that the set of data points are (1, 0), (2, 2), (3, 3), (4, 6)

Q: Suppose we are testing the null hypothesis H0: μ = 16 against the alternative Ha: μ> 16 from a…

A: given data,hypothesis:H0:μ=16H1:μ>16σ=3n=324z=2.21

Q: A distribution is given as X~ U(0, 12). Find P(x > 3). (Enter an exact number as an integer,…

A: Let X be the random variable from Uniform distribution then Then,  P(X>3) = ?

Q: Researchers collected data on the numbers of hospital admissions resulting from motor vehicle…

A: Given that We have to test the claim that the matched pairs have differences that come from a…

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

A: given data  95% ci for μ. σ = 58.3 E = 2 n = ?

Q: Describe your dataset here, add a screenshot of it. # of variables: # of observations: Size of the…

A: Data analysis

Q: The times in hours for 200 people who ran the New York marathon are Mean 2.41 hours, standard…

A:

Q: A 99% confidence interval for the percentage of people in a town who have a college degree is…

A: Given that  99% confidence interval is  (65% , 71%)

Q: Does it pay to ask for a raise? A national survey of heads of households showed the percentage of…

A: To find: P(man received raise, given he asked for one)= ?

Q: Suppose you roll a special 17-sided die. What is the probability that the number rolled is a "1" OR…

A: Given that  Roll a special 17-sided die Sample space = S S =…

Q: In Ventura County, the height measurements of ten-year-old children are approximately normally…

A: Let X be the random variable from normal distribution with mean (μ) = 53.9 and standard deviation…

Q: Suppose we observe two independent random samples X₁, ..., Xn, with each Xi Y₁ ~ N(μ₂, 0²). We will…

A: Given n1=13, n2=19, s2x=5.5, s2y=6.4

Q: if X=101, o=27, and n=32, construct a 95% confidence interval estimate of the population mean,

A: Given that  Sample size n =32 Sample mean=101. Population standard deviation =27

Q: In 1970, 570 students among 1000 randomly selected college freshmen thought that capital punishment…

A: It is given that  For 1970: X1 = 570,  n1 = 1000 For 2005: X2 = 480,    n2 = 1000

Q: ​Claim: The mean systolic blood pressure of all healthy adults is less than 123 mm Hg. Sample​ data:…

A: Given claim: The mean systolic blood pressure of all healthy adults is less than 123 mm Hg.

Q: Student 1 -234567 X 90 87 85 85 95 96 82 85 87 89 90 92 94 80 75 4.3 1.3 -0.7 -0.7 9.3 10.3 -3. -7.…

A: In Xi-X̄ column, X̄ is the mean of sample values of X.  X̄= ΣXi/n

Q: Calculate the correlation. r = Rou

A: Here wehave given the data, Using this data we have to find the correlation coefficient between the…

Q: Find the z-score that separates a normal distribution into the following two portions. (a) separate…

A: Given that  (a) separate the lowest 80% from the highest 20%(b) separate the lowest 90% from the…

Q: Find the area associated with the given Z-Score. Round to four decimal places. Z = 1.52

A: Given that  Z = 1.52 Find P(Z < 1.52)

Q: In a large city, commuter trains are used to transport people into the downtown area. Trains arrive…

A: Given that:   Train Status On Time Late Total Day of the Week Monday 32 8 40 Tuesday 24 16…

Q: Given the following equation 6y = 3x. Find the following: a) slope b) any point on the line c) The…

A: The equation is 6y= 3x  In the form of ax+by+c= 0 …………..(i) -3x+6y+0= 0    …………(ii) On comparing…

Q: Adults randomly selected for a poll were asked if they "favor or oppose using federal tax dollars to…

A:

Q: When we test the hypothesis that the population proportions are equal, we can use the Z test for a…

A: It is given that the statement about to the hypothesis test.

Q: find the indicated probability using the standar normal distribution P(z<0.13)   P(z<0.13)=…

A: Required probability is P(Z&lt;0.13)

Q: ssume that when human resource managers are randomly​ selected, 49​%say job applicants should follow…

A: Let X be the random variable from binomial distribution with probability (p) = 49% = 0.49 and sample…

Q: Suppose x has a normal distribution with mean μ = 36 and standard deviation σ = 15. Describe the…

A: Given: x has normal distribution with mean μ=36 and standard deviation σ=15. Concept: The sampling…

Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​ echinacea, 36 of the…

A: From given data we have ; x1=36 , x2=94 n1=42 , n2=107 the sample proportions as shown below:…

Q: a. What is the distribution of X? X - N( 17 b. What is the distribution of ? ~ N( 17 0.8451✔ 08 08…

A: given data  X~N(17,5)x¯~N(17,0.8451)

Q: The breaking strengths of cables produced by a certain company are approximately normally…

A: GivenVariance of breaking strength is 34782.25claim is that the actual variance is higher

Q: Consider the following data for a dependent variable y and two independent variables, x; and xz; for…

A: It is given that SST=15226.1,SSR=14133.8.

Q: A system has five components connected as shown in the diagram. Assume A, B,  C, D, and E function…

A: From given data we have :  the probabilities that A, B, C, D, and E fail is 0.05, 0.04,0.10, 0.04,…

Q: Determine which of the four levels of measurement​ (nominal, ordinal,​ interval, ratio) is most…

A: Given: Determine which of the four levels of measurement​ (nominal, ordinal,​ interval, ratio) is…

Q: Data collected on school subject preferences are summarized below. . 18 males prefer science 30…

A: From the given information, n(Male and Science) = 18 n(Male and History) = 30 n(Male and English) =…

Q: A contingency analysis table has been constructed from data obtained in a survey of high school…

A: From given data we have :   Yes NO Yes 914 574 NO 46…

Q: Question 24 The weights of cats is Normally Distributed. The mean weight is 10 lbs with a standard…

A: Given information Population mean μ=10, standard deviations σ=0.2

Q: The following are the course grades of a statistics student (in order of performance) from his first…

A: We are given as follows.  The course grades of a statistics student (in order of performance) from…

Q: From 1985 to 2003, the number BB of federally insured banks could be approximated by…

A: Given that: The regression equation is given as: B(t)=−323.4t+13794 where t is the year and t=0…

Q: Calculate the pp -value. Round to four decimal places. Make a decision. Reject the null hypothesis…

A:

Q: agility decreases B. There is a statistically significant, strong, negative correlation between age…

A: It is given that  r(50) = -0.97 p &lt; 0.001

Q: 4.A researcher collected Pet Shop data in order to examine whether pet stores displayed different…

A: Given Information: Consider the given data set: Store Valentine's Day July 4th Halloween…