For a certain group of individuals, the average heart rate is 74 beats per minute. Assume the variable is normally distributed and the standard deviation is 4 beats per minute. If a subject is selected at random, find the probability that the person has the following heart rate. Use a graphing calculator. Round the answers to four decimal places. Less than 78 beats per minute =

Q: suppose that you hav e set of data that has a mean of 34 and a standard deviation of 6. a. is the…

A: Given: A data set has a mean of 34 and a standard deviation of 6.

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: given data, normal distribution , μ=100σ=15we have to find out the shaded region for the given…

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard…

A: Given,mean(μ)=100standard deviation(σ)=20

Q: Trucks in a delivery fleet travel a mean of 110 miles per day with a standard deviation of 25 miles…

A: Here, μ=110 and σ=25

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a…

A: Here given situation is of normal distribution, which is continuous distribution. Let X : IQ of…

Q: The mean number of eggs that a person consumes per year is 293.6 pieces. Assume that the standard…

A: The number of egg consume are normally distributed with a mean 293.6 and a standard deviation of…

Q: Assume that adults have IQ scores that are normally distributed with a mean of u= 105 and a standard…

A: Solution

Q: Help with calculations, round to 4 decimal places.

A: Given:μ = 201σ = 40.8n = 109a. P(x̄ > 208)  Find…

Q: The probability that a randomly selected adult has an IQ less than 129 is (Type an integer or…

A: Assume that adults have IQ scores that are normally distributed with a mean of μ= 105 and a standard…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution μ = 100σ = 15 P(85<x<110) = ?

Q: Today, the waves are crashing onto the beach every 4.6 seconds. The times from when a person arrives…

A: The mean of this distribution is  a midpoint between the ends.  Mean = (4.6 + 0)/2 = 2.3 seconds

Q: Some sources report that the weights of full-term newborn babies in a certain town have a mean of 8…

A: Provided information is; Mean(μ) = 8 Standard deviation(σ) =1.2 Let , X be the random variable that…

Q: Below represents the amounts that a random sample of employees reported that they spent on dinner…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A: Let "X" be the IQ score of the adults.

Q: that follow a Weibull distribution with m = 2 and a = 10 (with measurem of hours). e probability…

A: The random variable  represents the life lengthof resistors. The measurements in thousands of hours.…

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

A:

Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…

A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

Q: The weights of steers in a herd are distributed normally. The standard deviation is 200lbs. and the…

A: Let "X" be the weight of steers in a herd.

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: that the distribution is normal. What is the chance that three indoor cats die between 15 and 18…

A: here mean= 14 year standard deviation  = 2.5 year

Q: Trucks in a delivery fleet travel a mean of 110 miles per day with a standard deviation of 35 miles…

A: Let X be the miles driven per day by a truck.

Q: The average THC content of marijuana sold on the street is 10.8%. Suppose the THC content is…

A: Given, mean= 10.8  Standard deviation= 1 So, variance= 12=1 So, X~N(mean,variance)= N(10.8,1)…

Q: Please show all diagrams and work. Circle your answers. 1. The average weight of an NFL player is…

A:

Q: A student takes a multiple-choice test that has 6 questions. Each question has four choices. student…

A: It is given that,  A student takes a multiple-choice test that has 6 questions i.e. n=6 Each…

Q: The heights of adult women are normally distributed with a mean of 64.5 inches and a standard…

A: The question is about normal distributionGiven :Mean height of adult women (  ) = 64.5…

Q: Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 38 miles…

A:

Q: Directions: Read and solve the following problem. The average number of milligrams (mg) of…

A: Given:  The average number of cholesterol in a cup of certain brand of ice cream is μ=660 mg. The…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard…

A: We have to find .. The probability that a randomly selected adult has an IQ less than 115

Q: The mean number of eggs that a person consumes per year is 293.6 pieces. Assume that the standard…

A:

Q: The average hourly wage for manufacturing workers in the United States is $16.08 per hour, with a…

A: For the distribution (specified to be normal) of the hourly wage (in ) for manufacturing workers in…

Q: For a certain group of individuals, the average heart rate is 74 beats per minute. Assume the…

A:

Q: IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual…

A: It is given that the IQ scores follow normal distribution with mean 100 and standard deviation 15.…

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: GivenMean(μ)=0standard deviation(σ)=1

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

A:

Q: onsider yourself as a Math tutor to Grade 11 students. Study carefully the examples of real-life…

A: Real-life problem: A company produces light bulbs that have a mean lifespan of 2000 hours and a…

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a…

A: Let X denote the IQ scores of adults. Given that X follows N(mean = 105, SD = 20), then Z = (X -…

Q: Today, the waves are crashing onto the beach every 4.6 seconds. The times from when a person arrives…

A: 75 % of 4.6 seconds = 0.75*4.6 = 3.45 Therefore, 75% of the time a person will wait at least 3.45…

Q: DECIMAL FORM: 15 17 18 19 20 21 22 23 24 P(X) 0.03 0.09 0.18 0.18 0.15 0.26 0.6 0.03 0.03

A: Formula used.  E(x)= ∑x×p(x) E(x2 )=∑x2 ×p(x) Var(x)=E(x2 ) - [E(x)]2

Q: on: Answer the following problems. Show your solutions. Compute the mean, median and mode of the…

A: Mean: It is the sum of an observations divided by the total number of observations of the data set.…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a…

A: Mean()=105standard deviation()=15