What is the two-tailed probability, p-value, for the following T score? or t = 1.2 df = 5 p > .20 .01 > p .001 .05 > p > .02 .20 > p > .10
Q: The number of miles a certain brand of tires lasts is normally distributed with a mean of 30,000…
A: The mean of the certain brand of tires lasts is 30,000 miles. The standard deviation of the certain…
Q: What probability falls within one standard deviation of the mean?
A: It is given that the statement about to the probability falls within one standard deviation of the…
Q: 16. The reported cancer rates for men ages 65 and older is 23%. Assume this estimate is the true…
A: Given : p = 0.23 n = 25
Q: Suppose the probability of getting an "A" in a certain class is 0.22. A group of 5 friends is taking…
A: Here we want to Determine the probability that none of the friends earn an "A" in the class.
Q: Melissa Johnson runs the mile for her track team. She has averaged a time of 5 minutes, 30 seconds…
A:
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: need a normal probability graph n=10, p=0.5.
A: Ramdom variable x from binomial distribution with n=10 and probability p=0.5 To draw the graph by…
Q: A hen lays a mean egg 309 eggs per year with a standard deviation is 12.7 eggs. The distribution can…
A: Given information- Sample size, n = 21 Population mean, µ = 309 eggd Population standard deviation,…
Q: Using table attached, What is the average (theoretical) number of licensed dogs per household in…
A: Given probability distribution table is,Value of X012345Probability P(X) 0.590.110.09?0.070.02Using…
Q: The diameters of ball bearings are Casteel Clistributed normally The mean diameter Ps 89 millimeters…
A: Pobability calculated uisng R command
Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 68% of…
A: given data normal distribution population mean = 600 population sd = 20
Q: The average time it takes a music producer to complete a recording of a pop song is 53.4 minutes.…
A: Let X be the random variable from normal distribution with mean (μ) = 53.4, variance (σ2) = 49 the…
Q: What is the probability of scoring below a z-score of +2.91?
A: What is the probability of scoring below a z-score of +2.91?
Q: For a measure of body weight, converted to z or standard scores, what is the probability of having…
A: Solution For standard normal distribution, Mean=0 & standard deviation = 1. Find:
Q: On average, the fasting blood glucose for pregnant women is 80 with a standard deviation of 10. You…
A: Let X be the fasting blood glucose for pregnant women.Given, µ=80 and σ=10.
Q: 80% of beans seeds sprout. Three seeds were planted. Find the distribution of the variable X number…
A: Given : n = 3 P = 0.80 q = 1 - p = 1 - 0.80 = 0.20
Q: Find the probability of at least one failure in five trials of a binomial experiment in which the…
A: From the provided information, The probability of success is 30%. Probability of failure p = 1 -…
Q: Find the following probability by using Standard Normal distribution table: 1. P(-1.27 -2.64) 3.…
A: The given probabilities are 1. P-1.27<Z≤0 2. PZ>-2.64 3. PZ≤0.96 4. P-2.31<Z≤0.82 5.…
Q: monthly sale of beer at a bar is believed to be approximately normally distributed with mean 2450…
A: Given that, mean μ=2450. Standard deviation, σ=400. Suppose, the monthly sale of beer is X. If…
Q: The mean percent of childhood asthma prevalence in 43 cities is 2.45 %. A random sample of 32 of…
A: The objective of this question is to find the probability that the mean childhood asthma prevalence…
Q: he proportion of eligible voters in the next election who will vote for the incumbent is assumed to…
A: Given that The proportion of eligible voters in the next election who will vote for the incumbent is…
Q: Find the probability that an observation taken from a standard normal population will be more than…
A: We have to find given probability..
Q: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…
A: Given that, Probability = 0.57 Sample size, n = 6
Q: Assume the average weight of a schoolchild's book bag is 17.5 pounds, with a standard variation of…
A: Let X be a random variable that denotes the weight of the child's school bag. Then, it is provided…
Q: What is the probability of scoring 25 or above on a test? I've just got some values below, not sure…
A: Solution: From the given information, mean is 23.5, standard deviation is 3.5 and z-score is 0.43.
Q: Brenda has collected data to find that the finishing times for cyclists in a race has a normal…
A: Given the finishing time for cyclists in a race has normal distribution with mean 143 minutes and…
Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…
A: We have given that, X be the random variable from normal distribution with mean (μ) = 62.6 ,…
Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 95% of…
A: GivenMean(μ)=600standard deviation(σ)=20
Q: What is the probability the pedestrian was not intoxicated
A: Given data The table summarizes results from 990 pedestrian deaths Driver intoxicated?…
Q: Draw the graph for the following probability: Greater than 0.18 P(z > 0.18) =
A: FOr standard normal distribution, Mean=0 & standard deviation =1. Draw the graph Greater than…
Q: A door-to-door salesperson is visiting houses in Hamilton to sell internet plans. The probability…
A: The probability that a house decides to buy the internet plan is 25%. The salesperson visits 100…
Q: The number of bacterial colonies on a petri dish can have an average of 2.5 per cm2 Define the…
A: Given: The number of bacterial colonies on a petri dish can have an average of 2.5 per cm.
Q: On average, TV crash after 109,000 hours of continuous use. Although the time for the TV to crash is…
A: From the provided information, On average, TV crash after 109000 hours of continuous use that is…
Q: Q6- Assume the probability that a maple tree at age 5 grows less than 140 cm is equal to 0.2. If the…
A: Given Data: Let X represent the height of the maple tree P(x<140)=0.2 σ=81=9
Q: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…
A: From the provided information, Guests who visit Yosemite National Park like to stay at an overnight…
Step by step
Solved in 2 steps
- How to calculate the probability that the mean credit card debt for the sample of accounts is between R1032 and R 1124?80% of beans seeds sprout. Three seeds were planted. Find the distribution of the variable X = number of seeds that sprout. Find its mean value, variation and the probability that (a) at least two seeds sprout, (b) no one. [Ans.0, 816; 0, 008 ]Corporation X manufactures light bulbs. The CEO claims that an average the light bulb lasts 300 days. A researcher randomly selects 15 bulbs for testing. The sampled bulbs last an average of 290 days, SD of 50 days. If the CEO's claim were true, what is the probability that 15 randomly selected bulbs would have an average life of no more than 290 days? Use 3 decimal places. Do not put a % sign. Answer:
- Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?Please tell me which of the multiple choice are correct A t-value of 2.35, from a t-distribution with 14 degrees of freedom, has an upper-tail (“greater than”) probability between which two values on the t-table?Select one:a. 2.15 and 2.26b. 0.29 and 0.82c. 0.025 and 0.01The average height of women is 64 inches. The standard deviation is 2 inches. The heights have a normal distribution. Find the probability that a randomly selected woman is shorter 59 inches or taller than 68 inches.
- The weight of a package mailed during the holidays follows a uniform distribution and ranges from 2 pounds to 9 pounds. What is the probability that a package is less than 5 pounds? Express answer as a percent with 1 decimalUse your Ti-84 to find the mean and standard deviation of the discrete probability distribution below. Match your screen shot with the correct screen shot.The probability that a person catches a cold during the cold and flu season Is 0.4. Assume that 10 people are chosen at random. What is the standard deviation for the number of people catching a cold?