he weight of a green forest frog has a normal distribution with mean 150.3 g and a standard deviation of 5g. Find the probability that a randomly selected frog weighs: i. Less than 153g ii. Between 150 g and 158 g

Q: standard normal distribution, find the probability of Z>1.28.

A: If µ=0, σ2= then normal variable is called as standard normal variable, denoted by Z.

Q: Assume that blood pressure readings are normally distributed with a mean of 125 and a standard…

A: Solution-: Let, X= The blood pressure reading  Given: μ=125,σ=4.9,n=34 ∴X→ N(μ=125,σ2=4.92)

Q: Express the k th percentile, Pk , of a normally distributed variable in terms of its mean, μ, and…

A: The kth percentile represents the area of k to the left of z. Here, the kth percentile is calculated…

Q: In the United States, the mean birth weight for boys is 3.41 kg, with a standard deviation of 0.55…

A: From the given information, the  mean birth weight for boys is 3.41 kg and the standard deviation is…

Q: The amount of coffee in a can has a mean of 350g. The standard deviation is 5g. Use the normal…

A: From the graph we see that between 345 and 355 the probabilities are 0.34 and 0.34 To find the…

Q: Determine the mean and standard deviation of the variable X in each of the following binomial…

A: Here we have to find mean and standard deviation of binomial distribution Since we know that mean…

Q: Assume that blood pressure readings are normally distributed with a mean of 130 and a standard…

A:

Q: Let X be a random variable with a mean equal to 100 and a standard deviation equal to 15. Let…

A:

Q: he weights of the fish in a certain lake are normally distributed with the mean of 18 lb and a…

A: Answer: From the given data, Mean (μ) = 18 Standard deviation (σ) = 12 X follows normal…

Q: Find the probability that a normally distributed random variable will fall within these ranges: 1.…

A:

Q: The mean number of milligrams of sodium in a certain brand of dinner is 540mg with a standard…

A: Given Mean=540 Standard deviations=48 Sample size=64

Q: Exercise 5.1 On the final examination in English, the mean was 72 and the standard deviation was 15.…

A: From the provided information, Mean (µ) = 72 Standard deviation (σ) = 15 X~N (72, 15)

Q: Klingons consume a mean of μ = 15 ounces of coffee per day, with a standard deviation σ = 2 ounces.…

A: given data normal distributionμ = 15σ = 2

Q: The time taken by employees at Grace Floral shop to put a bouquet together has a normal distribution…

A:

Q: ind the indicated probability or percentage for the normally distributed variable. Assume that the…

A: Given data,μ=5.6σ=0.070P(5.48<X<5.82)=?

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 number of newspapers sold daily at a kiosk is normally distributed with a mean of 350 and a…

A: Solution-: Given: μ=350,σ=50 We want to find, (i) P(more newspapers are sold on Wednesday than on…

Q: A normal population has a mean of of 60 and standard deviation of 12. A random sample of 9 is…

A: Using normal distribution we find the given probability.

Q: A study discovered that Americans consumed an average of 12.4 pounds of chocolate per year. Assume…

A: Note: Hi there! Thank you for posting the question. As no requirement is mentioned, we have solved…

Q: Find the probability that a dinner has 600mg or more sodium. 0.00380.0038 0.10560.1056…

A: It is given that  Mean, μ = 540 Standard deviation, σ = 48 Z-Score, Z = ( X - μ )/σ

Q: Please do the f number: The home loan department of BRAC Bank Limited sanction a significant number…

A: Normal distributions are symmetric around their mean. The mean, median, and mode of a normal…

Q: An electrical firm manufactures light bulbs that have a length of life that is normally distributed…

A: mean = μ = 817standard deviation = σ = 24 We have to find probability that bulb burns between 723…

Q: he level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful…

A: Given Data: Mean (μ)=85 Standard deviation (σ)=6 Variance (σ2)=36 Sample size(n)=16   Let X be the…

Q: Assume that thermometer readings are normally distributed with a mean of 0°C and a standard…

A:

Q: Assume that thermometer readings are normally distributed with a mean of 0°C and a standard…

A: Given data,μ=0σ=1P(1<X<2.25)=?

Q: lizards and standard deviation of 9 lizards. What would be the probability that a randomly selected…

A: Let X be the random variable the amount of lizards a person sees during a hike.Given that,

Q: If Z is a standard normal​ variable, find the probability. The probability that Z is less than…

A: we hvae to find the probability.:_   The probability that Z is less than −0.25.

Q: Assume that x has a normal distribution with the mean=4 and standard deviation=6. Find the…

A: It is given that, X has a normal distribution with mean, μ =4 and standard deviation, σ =6.

Q: standard

A: Given: Mean, μ=80 Standard deviation, σ=7 Sample size, n=49 To find: P (X>82) Using normal…

Q: A normal population has a mean of of 60 and standard deviation of 12. A random sample of 9 is…

A: Given : Mean = μ = 60 Sample size = n = 9 Standard deviation = σ = 12

Q: The amount of coffee in a can has a mean of 350g. The standard deviation is 5g. Use the normal…

A:

Q: A random variable X is assumed to be normally distributed with a mean of 200 and a standard…

A:

Q: distributed, with mean μ=55 and standard deviation σ=4. Find the 6th percentile

A: We have given that, Population mean (μ) = 55 and standard deviation (σ) = 4 Then,  We will find the…

Q: The proportion of households in a region that do some or all of their banking on the Internet is…

A: Given information Proportion of people who do banking on the internet p = 0.41 Sample size n = 1000

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

A:

Q: The random variable x has a normal distribution with u = 200 and o = 20. a. Find the probability…

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Q: d. The probability of getting a random sample of 150 people with a mean blood sugar level less than…

A: The provided information is µ=4.7 mmol/L σ=1.4 1. The distribution is normal. 2. Yes. a.…

Q: The lifetime (Y) of a semiconductor laser has a lognormal distribution with a mean of 10 and a…

A: a)Let's denote the parameters of the normal distribution as μ (mean) and σ (standard deviation). In…

Q: 1a. A random variable Z is normally distributed with mean 0 and standard deviation 1. It is known…

A: Given that: Pz<-1.6=aPz>2.4=b