Question 5 A radar unit is used to measure speeds of cars on a motorway. The speeds are normally distributed with a mean of 55MPH and a standard deviation of 5MPH. What is the probability that a car picked at random is travelling at more than 62MPH?

Q: What is the probability that there are exactly 5 sightings within 5 months?   b. What is the mean…

A: here use poisson and exponential distribution The number of stork sightings on a route in South…

Q: The miles per gallon obtained by the 1995 model Q cars is normally distributed with a mean of 22…

A:

Q: Question 5 Provide an appropriate response. Given the table of probabilities for the random…

A: Identify the correct option for the given statement. The correct option is identified below as…

Q: QUESTION 1 The life of an animal is normally distributed with a mean of 9 years and a standard…

A: Given ,sample size(n)=36mean(μ)=9standard deviation(σ)=1.5

Q: Question 5. (CHILDHOOD NEVER COMES BACK) Bubba bought a bubble blower machine which produced 3125…

A: Question 5. The symmetric bell shaped curve is, The proportion of bubbles have age more than 17…

Q: The probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is…

A: Let, X is the number of houses that were burglarized. X~Binomialn=50,p=0.05

Q: Question 5 The mean number of ski injuries at Mont Tremblant that require treatment follows a…

A: Given  X~Pois(λ=3) P(X<2)=?

Q: Question No. 5 "Chief Grill" is a local restaurant, its annual data shows that the average sale of…

A: Given, Mean μ =1200 Standard deviation σ = 102 a) =P(x< 1000)= P ( x- μ /σ < 1000 - μ /σ )=P(z…

Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A: Mean(μ)= 100  standard deviation(σ) = 10

Q: Exhibit 6-4 The starting salaries of individuals with an MBA degree are normally distributed with a…

A: Given,mean(μ)=$40,000standard deviation(σ)=$5,000

Q: Question 4 [25] The amount of time devoted to preparing for a statistics examination by students is…

A:

Q: Question 1 > A manufacturer knows that their items have a normally distributed length, with a mean…

A: Given  data   μ=17.2  inches   σ=4.9  inches  normal  distribution

Q: The length of a fully grown hibiscus plant is normally distributed and has a mean 35cm. It is found…

A: Let X ne the length of  a fully grown hibiscus plant is normally distributed with mean 35 cm and…

Q: Question 3: Suppose tree diameters of a certain species of tree from some defined forest area are…

A: Given mean, μ = 7 cm Standard deviation, σ = 2 cm X ~ N (μ, σ)

Q: QUESTION 8 A study was conducted to determine if there is a relationship between a person's blood…

A: Step 1: Since you have asked multiple questions we will solve the first question for you. If you…

Q: Question 20: The range of a battery of a newly produced Electric vehicle is normally distributed…

A:

Q: It is known that the “Stats is Awesome” webpage takes on average 7 seconds to load (m = 7) with a…

A: Given info: The loading time of webpage (x) is normally distributed with mean 7 sec. and standard…

Q: Question 6 – The average starting salary of this year's graduates of a large university (LU) is…

A: Hi, thank you for the question. As per our Honor code, we are allowed to attempt first three sub…

Q: The salaries at a corporation are normally distributed with an average salary of $19,000 and a…

A: The provided information are: Population mean (µ) = 19000 Population standard deviation (σ) = 4000…

Q: QUESTION 4 Three marbles are drawn from a bag containing 5 yellow marbles, 3 green marbles, and 12…

A:

Q: Question 13 Suppose that the distance of fly balls hit to the outfield (in baseball) is normally…

A: We have given that.   X~N( μ , ?^2 )   μ = 254 , ? = 43   Z-score =( x - μ )/?

Q: Question 3 A set of final examination grades in an introductory statistics course is normally…

A: Given problem Given that A set of final examination grades in an introductory statistics course is…

Q: Question 5. The number of traffic accidents per year in a given highway follows a Poisson…

A: Let X denote the no.f traffic accidents per year in a given highway and it follows Poisson…

Q: A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean…

A: From the information, the mean is 200 and the standard deviation is 50.

Q: The probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is…

A: (d) The standard deviation of the number of burglarized houses is 0.353, which is obtained below:…

Q: QUESTION 7 The fill weight of a certain brand of adult cereal is normally distributed with a mean of…

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

Q: receive or send an average of 41.5 text messages per day. A. How many text message users receive or…

A: (A)   If Patients receive 41.5 text messages in 24 hour then Patients will receive 41.524=1.729 text…

Q: QUESTION 1 The service time for customers coming through a checkout counter has mean 128 seconds and…

A:

Q: Problem 1: The average number of acres bumed by forest and range fires in a large New Mexico County…

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

Q: Question 1 A barometer is used to measure average daily atmospheric pressure. The daily pressure is…

A: Given that,  X~N(mu=1012hPa, sigma=12hPa)  We have to find P(X>1030 hPa) and P(1002…

Q: Problem 2. Assume that the height of adult women were normally distributed with a mean of 63 inches…

A: If n=36 P(X<62)=?

Q: Question 5. (CHILDHOOD NEVER COMES BACK) Bubba bought a bubble blower machine which produced 3125…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: QUESTION 6 The lifetime of a certain battery is normally distributed with mean value of 10 hours and…

A: X~Normally distributionMean=ν=10 hoursStandard deviation =σ=1 hourn=16⇒Mean for all batteries…

Q: with mean = 100 and standard deviation (σ) = 10,  w hat is the probability that X < 81?

A: Given that  Normal distribution with  Mean (μ) = 100 Standard deviation (σ) = 10   We know that…

Q: Question 2: The Distribution of the Sample Mean Smartphones are designed to function between 0 and…

A: Given,mean(μ)=3standard deviation(σ)=0.9sample size(n)=36T0=The total temperature

Q: Question 5 According to the Bureau of the Census, the following statistics describe the number (in…

A: given data    ages 18-24 ages 25-34 total male 106 106 212 female 116 90 206 total 222 196…

Q: A requirement for business graduate school is the GMAT. The GMAT is normally distributed with a mean…

A:

Q: Question 14: A probability distribution has equal mean and median, and P(88 < X < 96) = 0.68, P(84<…

A:

Q: (QUESTION 3) Let the rate of accident in a city is 7 during half a day. What is the probability that…

A: Given:  Let x be the number of accident in a city with rate 7 accident half a day(12 hour)   Half…

Q: QUESTION 23 If a random sample of size 15 is drawn from a normally distributed population with mean…

A: Given  mu=23, s=6.39 and n=12  We want to find P(Xbar&gt;25.905)= ?

Q: Question 2 A particular fruit's weights are normally distributed, with a mean of 718 grams and a…

A:

Q: Question 8 The table summarizes results from 990 pedestrian deaths that were caused by automobile…

A:

Q: The distribution of the weights of a certain type of mangoes is normally distributed with a mean of…

A: The random variable permeability index follows normal distribution. The population mean is 150. The…

Q: Question 1: A random variable is distributed normally with mean 3200 and standard deviation 800.…

A:

Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A:

Q: Exhibit 6-4 The starting salaries of individuals with an MBA degree are normally distributed with a…

A: Let X be the starting salaries of individuals with an MBA degree X~N(μ=40000, σ=5000)

Q: The annual yield

A:

Q: QUESTION 3 The length of an injection-molded plastic case that holds magnetic tape is normally…

A: Given : μ=90σ=2X~N(μ=90,σ2=(2)2) We want to find,P(X&lt;87 or X&gt;93)=?