Please answer each of the questions in each of the items and refer to its instructions. I-Use the histogram to find the probability: 1. that a person selected at random from the survey's sample had a test score of less than four. 2. that a person selected at random from the survey's sample had a test score of less than four but greater than or equal zero. II- Answer if it's discrete or continuous. 1. the number of automobile accidents per year in Lagro. 2. the length of time to play 18 holes of golf. 3. the weight

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.34%. A random sample of 31 of…

A:

Q: Based on a poll, among adults who regret getting tattoos, 22% say that they were too young when they…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: The p-value… is used to determine the Margin Of Error measures the number of standard deviations…

A: p value is a probabilty  which indicates the decision about null hypothesis assuming true  so that…

Q: The table summarizes results from 985 pedestrian deaths that were caused by automobile accidents.…

A: Given, 985 deaths were caused by automobile accidents. Driver intoxicated Pedestrian intoxicated…

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given dataThe number of hours per week that the television is turned on is determined for each…

Q: According to a recent survey, 71% of teens ages 12-17 in a certain country used social networks in…

A: Sample size n=140Population proportion p=0.71

Q: Michelle, a telemarketer makes six phone calls per hour and is able to make a sale on 30% of these…

A: The random variable X is making sales. The number of cars per hour is 6. The probability of making a…

Q: 9% of all cars fail the emissions inspection, find the probability that in a sample of 125 cars, 16…

A: Given n=125 P=0.09

Q: What is the probability that exactly 9 out of the 14 teens I surveyed use YouTube?   Round your…

A: Let p be the probability that a teen use YouTube. Given that p=85%= 0.85 Let X represents the number…

Q: marked as wrong b. the probability that the person is between 67.3 and 69.3 inches is 0.2798

A: = 67 = 2.4

Q: In an examination in Statistics, the mean grade is 72 and the standard deviation is 6. Find the…

A: Given that ; Population mean (u) = 72 Standard deviation = 6  By using standard normal distribution…

Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

Q: 4. A car salesperson notes that she sells either 1, 2, 3, 4, 5 or 6 cars per week with equal…

A:

Q: b. Find the probability that a randomly hit fly ball travels less than 330 feet. Round to 4 decimal…

A:

Q: A research firm claims that the distribution of the days of the week that people are most likely to…

A: The question is about categorical data analysis.Given :

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A: From the provided information,   Pedestrian Intoxicated Pedestrian Intoxicated…

Q: find the probability of given data:   left of z score -2.3 between the z score  -2.3 and 1.53

A:

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: It is given that,

Q: If a probability or 2 place decimal like area is found to be 077 or - 1.09 0.4377, what is the z…

A:

Q: A sample has SS= 20 and s2 =4. How many scores are in the sample?

A:

Q: ind the probability that a voice recorder will last between 2.8 and 6 years. Find the 70th…

A: Let X denote the voice recorder and it follows normal distribution with mean of μ=4.1 years and…

Q: The diameter of a bull-eye is 4cm. The radius of the middle blue circle is 6cm. The radius of the…

A: Topic:- probability

Q: We are asked to find the values that separate the middle 60% of the population from the top and…

A: In a normal distribution, the z-score is a measure of how many standard deviations an element is…

Q: c. What is the probability that a randomly selected tax return refund will be between $3200 and…

A: given dataμ=3142σ=926normal distribution

Q: Marcos took the EnggMath3 exam decided to guess on a 10-item multiple choice. Each problem has 5…

A: # x be the no of answers correct follow binomial distribution (n=10, p=1/5)  1): then to find…

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: Solution:                                                                Pedestrian Intoxicated…

Q: furnace bills are normally distributed.  With a mean of 273 and an SD of 30.  If 144 bills are…

A: Let M denote the mean of sample of n = 144 bills. Then M follows N(mean = 273, SD = 30/√(144) = 2.5)…

Q: Michelle, a telemarketer makes six phone calls per hour and is able to make a sale on 30% of these…

A: The question is about discrete probability distribution Given : No. phone call telemarketers makes…

Q: A certain disease has an incident rate of 0.5%. If the false negative rate is 4% and the false…

A: Given that the false-negative rate is 4%. That means the probability of having the disease when the…

Q: A sample of 38 people are taken who who owns a red pair of shows. The std is 23 with an unlnown mean…

A: To determine the probability of making a type II error and the power, we need to know the level of…

Q: d. The degrees of freedom = e. The test-statistic for this data (Please show your answer to three…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

Q: In company XYZ, the success of an email to land into a spam folder is 4%. If an account received 20…

A: Solution To find the probability we will use Excel  Given data is  n= 20

Q: The Brac University Basketball Team is looking for new players to join the team. The heights of all…

A: (a) Let H be the random variable depicting the heights of all the try out participants. H~N167,25…

Q: The temperature is recorded at 60 airports in a region. The average temperature is 67 degrees…

A:

Q: 1. How are the collection of all sample proportions of samples of size 172 distributed? NO 2. What…

A: Given Information: Sample size (n) = 172 studentsPopulation Proportion (p) = 0.51. The distribution…

Q: John works as a weld inspector in a shipyard. Because he keeps track of good and poor welds, he…

A: It is given that  p = 5% = 0.05 Sample size, n = 300 Z = (p^ - p)/√(p(1-p)/n) 0.012583057392118

Q: Determine the probability of 3 out of 5 people getting accepted into a graduate program, where the…

A: The question is about prob. dist. Given : Total no. of people ( n ) = 5 Prob. of selecting single…

Q: A jar contains four times as many red marbles as blue marbles. What is the probability of drawing a…

A: Consider that there is total x blue marbles in the jar.

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A: