X is a normally distributed random variable with mean 62 and standard deviation 13. What is the probability that X is between 36 and 88? Use the 0.68-0.95-0.997 rule and write your answer as a decimal.
Q: Hi. I thought I had picked the right answer. Thanks.
A: A Binomial distribution is a probability distribution which contain n repeated trials. Each trail…
Q: Assume that adults have IQ scores that are normally distributed with a mean of µ-105 and a standard…
A: Given that The adults have IQ scores normally distributed with Mean (μ) = 105 Standard deviation…
Q: Find the probability a randomly selected z-score is less than -1.9. Round your result to 4 decimal…
A:
Q: World class runners complete a marathon in an average of 145 minutes with a standard deviation of 14…
A: From the provided information, Mean (µ) = 145 minutes Standard deviation (σ) = 14 minutes Let X be a…
Q: Radioactive atoms are unstable because they have too much energy. When they release their extra…
A: Given information Course decay over 365 days is 1,000,000 Radioactive Atoms are reduced 979254
Q: What is the probability that the mean childhood asthma prevalence for the sample is greater than…
A: Given: As the sample mean is an unbiased estimator of the population mean, we will use the mean…
Q: 11. Complete the following probability distribution table: SEPER www.anne JIMMY STORESIMIE…
A: 11. X P(X) -29 0.3 47 51 0.2 66 0.2
Q: X=21 christmas cards N= 7 standard deviation Find probability that Americans will recieve no…
A: Given that x=21 S.d=7
Q: Belng Click the icon to view the data tables. (Round to three decimal places as needed.) Approximate…
A: We have given that the probability distribution of the random variable X represents the number of…
Q: The total annual precipitation for a region is approximately normally distributed with a mean of…
A: Given data normal distributionμ = 1050 mmσ = 400 mmP(1050<x<1300) = ?
Q: The temperature in degrees Celsius at a certain location is nornally distributed with a mean of 68…
A:
Q: 90% of all children spend at least how many hours per day unsupervised? hours.
A: We have given that. X~N( μ , ?^2 ) μ=2.9 , ? =1.3 Z-score =( x - μ )/?
Q: Find each probability for a trial that has P(s) = .47 Write probability answers as 2-decimal…
A: The probability for a trial: P(s)=0.47 Let x=no. of success in 12 tries n=12 This problem satisfies…
Q: For a Uniform distribution with a low of 0 and a high of 25. Find the probability that a score is…
A: Solution: If X be the uniform random variable, then the probability density function of X is Let X…
Q: Select all statements that are TRUE. As the size of a sample increases, the mean of the distribution…
A: The sample size is the no. of participants or observations included in a study. The number is…
Q: professor at a local university finds that the mean exam grade for her students is 73 with a…
A: A professor at a local university finds that the mean exam grade for her students is 73 with a…
Q: When conducting research on color blindness in males, a researcher forms random groups with five…
A: Solution: The probability distribution of random variable x is x P(x) 0 0.660 1 0.284 2…
Q: Service time for a customer coming through a checkout counter in a retail store is a random variable…
A: Solution σ1=σ2=0.5μ1=μ2=3.5n1=21n2=28
Q: Nielsen Company the mean number of TV sets in a US Household in 2013 was 2.24. Standard deviation is…
A: The provided information are: Population mean μ=2.24 Population standard deviation σ=1.4 Sample size…
Q: GlenBluss Community College has a population mean GPA is 2.82 with population standard deviation of…
A: Let X be the GPA of college students. Let us assume that X is normally distributed with mean 2.82…
Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…
A: Step 1: Given that, Random variable (x)= Number of girls among 8 children we have to find the mean…
Q: How do I do this problem?
A: Solution: Let X be the IQ score. From the given information, X follows normal distribution with mean…
Q: Adult men's heights are normally distributed with m 70 inches and s 2.6 inches. What is the…
A: Given,mean(μ)=70standard deviation(σ)=2.6
Q: 2. The time Xit takes Professor Sawyer to drive to campus on a randomly selected day follows a…
A: Introduction: The random variable X denotes the time taken by the professor to drive to campus on a…
Q: 2 dice are rolled and the discrete variable x counts the number of 3's that appear. Plot the…
A:
Q: A soft drink machine outputs a mean of 29 ounces per cup. The machine's output is normally…
A: given data normal distributionμ = 29 ouncesσ = 4 ouncesx = weight of cupP(25<x<31) = ?
Q: The weights of steers in a herd are distributed normally. The standard deviation is 200lbs200lbs…
A: The objective of this question is to find the probability that the weight of a randomly selected…
Q: The probability of Jack making a free throw is 0.90. Assume one morning, he will attempt 5 shots and…
A: X follows Binomial distribution: X ~ Binomial( n, p)
Q: 88 Translate On average, indoor cats live to 15 years old with a standard deviation of 2.3 years.…
A: Here, mean is 15 and standard deviation is 2.3. a. The distribution of X is X~N(15, 2.32)
Step by step
Solved in 2 steps with 2 images
- Refer to the accompanying table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Find the mean and standard deviation for the number of girls in 8 births. Click the icon to view the data table. The mean is µ = girl(s). (Round to one decimal place as needed.) Table of numbers of girls and probabilities Number of Girls x P(x) 0.006 1 0.031 2 0.114 3 0.212 4 0.266 0.224 0.115 7 0.029 8. 0.003 Print DoneThe weights of steers in a herd are distributed normally. The variance is 10,000 and the mean steer weight is 1100lbs. Find the probability that the weight of a randomly selected steer is between 919 and 1180lbs. Round your answer to four decimal places.The life of light bulbs is distributed normally. The variance of the lifetime is 900 and the mean lifetime of a bulb is 550 hours. Find the probability of a bulb lasting for at least 583 hours. Round your answer to four decimal places
- Assume that adults have IQ scores that are normally distributed with a mean of u= 100 and a standard deviation o = 15. Find the probability that a randomly selected adult has an IQ less than 118. Click to view page 1 of the table Click to view page 2 of the table The probability that a randomly selected adult has an IQ less than 118 is (Type an integer or decimal rounded to four decimal places as needed.)Delta limited the Chief Administrative Manager analyzed the number of incoming faxes. Afteran analysis, the manager determined the probability distribution of the number of pages per fax as follows:x1234567P(x)0.050.120.20.30.150.10.08Required:Compute the mean and the variance of the number of pages per fax.The accompanying table describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1 girl in 10 births is a significantly low number of girls. Click the icon to view the table. Use the range rule of thumb to identify a range of values that are not significant. The maximum value in this range is girls. (Round to one decimal place as needed.) - X Probability Distribution for x Number of Girls x 0 1 2 3 4 5 6 7 8 9 10 Print Get P(x) 0.002 0.013 0.044 0.115 0.208 0.234 0.201 0.115 0.043 0.019 0.006 Done k answer
- Find the maximum and minimum value. Based on the result, is 1 girl in 10 births a significantly low number of girls?K 7 The probability that a bachelor's degree recipient in 2014 majored in biology is 20 Set-up an equation to find the odds of the event occurring. P(E) P (E') 20 20 (Type whole numbers.) .. 6 The odds of a bachelor's degree recipient in 2014 majoring in biology occurring are (Type whole numbers.) Find the odds of the event occurring. toA continuous random variable is normally distributed. The probability that a value in the distribution is greater than 47 is 0.3085. Find the probability that a value in the distribution is less than 47.
- 5. (Solve using pen and paper) Cans of salmon are supposed to have a net weight of 6 oz. The canner says that the net weight is a random variable with mean m=6.05 oz. and stand. dev. s=.18 oz. Suppose you take a random sample of 36 cans and calculate the sample mean weight to be 5.97 oz. a. Find the probability that the mean weight of the sample is less than or equal to 5.97 oz.A researcher recorded the number of shots made, X, out of 10 free throws by a sample of 1000 randomly selected college students. The table below is a probability distribution table representing the data collected. Calculate the mean and the standard deviation of the probability distribution using a TI-83, TI-83 Plus, or TI-84 graphing calculator. x P(x) 0 0.01 1 0.01 2 0.02 3 0.04 4 0.03 5 0.05 6 0.21 7 0.29 8 0.21 9 0.08 10 0.05Let the random variable X = the number of motor vehicle accidents per student in one year. Find the mean and standard deviation of the probability distribution, and interpret the value of the mean in the context of the real-life situation. X 1 3 4 Probability 0.15 0.29 0.25 0.18 0.10 0.03 Interpretation of µz