Find P(z s 1.63). This probability corresponds to the area to the left of a point z = 1.63 standard deviations to the right of the mean
Q: The mean number of customers arriving at a restaurant during a 15-minute period is 13. Find the…
A:
Q: Assume that adults have IQ scores that are normally distributed with a mean of 101.2 and a standard…
A: Given that adults have IQ scores that are normally distributed with, Mean = 101.2 Standard deviation…
Q: Today, the waves are crashing onto the beach every 4.7 seconds. The times from when a person arrives…
A: Hello. Since your question has multiple parts, we will solve the first five parts for you. If you…
Q: Find the z-score for the value 82, when the mean is 98 and the standard deviation is 3. OA. 2= -567…
A: From the provided information, Mean (µ) = 98 Standard deviation (σ) = 3 X~N (98, 3)
Q: Scores on a test are normally distributed with a mean of 76 and a standard deviation of 6. Using the…
A:
Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…
A:
Q: Suppose baby kittens' weights are normally distributed with a mean of 11.9 and a standard deviation…
A: a) Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…
Q: ne averagе тнс со distributed with standard deviation of 2%. Let X be the THC content for a randomly…
A: From the given information we find the probability.
Q: The average hourly wage for manufacturing workers in the United States is $16.08 per hour, with a…
A: Let be the hourly wage for manufacturing workers in the United States.The average: The standard…
Q: ence in mean life. Which brand would you prefer, based on this calculation? Car Brand 1 1 36,925…
A: Given : The data on two brands of radial tires is provided below. Car Brand 1 Brand 2 1 36925…
Q: Find the probability that a randomly selected thermometer reads between −2.07 and −0.71
A: We have given that Mean = 0 Standard deviation = 1
Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…
A: Let X = distance in feet for a fly ball. Use excel formula "=NORM.S.INV(0.8416)" to find the…
Q: Use a numerical integration command on a graphing calculator to find the indicated probability. The…
A: The mean annual wage for firefighters is $45,000 with a standard deviation of $14,000. We assume…
Q: The probability that a randomly selected adult has an IQ less than 128 is (Type an integer or…
A: Given: Consider X as a random variable that follows a normal distribution with mean 22 and…
Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…
A: Here, µ=0°C, σ=1.00°C.
Q: Assume that 11.7% of adults consider being a professional athlete their dream job. Find the…
A: It is given that p = 0.117 and n =2,760.
Q: Scores on a test are normally distributed with a mean of 76 and a standard deviation of 6. Using the…
A:
Q: The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of…
A: Given: mean = 0.963 grams, standard deviation = 0.312 grams. The z-score follows standard normal…
Q: Assume the readings on thermometers are normally distributed with a mean of 0degrees°C and a…
A:
Q: The amount of rain falling in Waimea Canyon State Park, Kauai is normally distributed with a mean of…
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: Assume that adults have IQ scores that are normally distributed with a mean of 95.7 and a standard…
A: Let X be the random variable for IQ score. X~Nμ=95.7, σ=24.3 The given value of X is 121.9.
Q: The average THC content of marijuana sold on the street is 10%. Suppose the THC content is normally…
A: (a) Determine the distribution of X. The distribution of X is determined below as follows:
Q: Today, the waves are crashing onto the beach every 4.6 seconds. The times from when a person arrives…
A: Continuous uniform distribution:A random variable X is said to have the rectangular distribution or…
Q: Assume that adults have IQ scores that are normally distributed with a mean of 103.5 and a standard…
A: Given that mean = 103.5 and standard deviation = 25
Q: a. What is the distribution of X? X - N( b. Find the probability that a randomly selected person…
A: Given, Mean =μ = 12Standard Deviation =σ = 5
Q: Find the probability that a randomly selected adult has an IQ between 91 and 119.
A: Let X denote the IQ scores of the adults. Given that X follows N(mean = 105, SD = 15), then Z = (X…
Q: Assume that adults have IQ scores that are normally distributed with a mean of 95.3 and a standard…
A: I have provided the answer above for you. See the answer I provided above to understand the given…
Q: Determine the appropriate z or t alpha value and calculate the error bound for the mean.
A: From the previous calculation we have Sample size (n) = 40Sample mean (x̅) = 233067.5Standard…
Q: Assume that adults have IQ scores that are normally distributed with a mean of u= 100 and a standard…
A: Given that, Mean = 100 Standard deviation = 15
Q: 4. A bus stops at a bus stop every 45 minutes. Once a person gets to the bus stop, what is the…
A: 4) Favorable waiting time = 20 mins Maximum Waiting time = 45 mins Therefore, Pa person will wait…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20 . Find the probability that a randomly selected adult has an IQ less than 95 a. Find the z-score: z = nothing (round to 2 decimal places) b. Find the probability: nothing (use 4 decimal places)Susan jogs to the park each day and the trip takes an average of µ = 22 minutes. The distribution of jog times is approximately normal with a standard deviation of σ = 10 minutes. For a randomly selected day, what is the probability that Susan’s jog to the park will take less than 16 minutes? Select one: a. 0.2743 b. 0.8957 c. 0.3236 d. 0.7554n=16 mean number of television per household is 4 with a standard deviation of 1 television. using chebychev's theorem, detemine at least how many households have between 2 and 6 television.
- Assume that adults have IQ scores that are normally distributed with a mean of 104.9 and a standard deviation of 16. Find the probability that a randomly selected adult has an IQ greater than 132.8. (Hint: Draw a graph.) The probability that a randomly selected adult from this group has an IQ greater than 132.8 is (Round to four decimal places as needed.)benk is 9.2 minutes with a standard deviation of The average waiting time for a drive in 2.6 minutes. Assume that the times A. Determine the probability, to 3 decimal places, t ustomer will have to wait less than 6 minutes. B. 20% of all customers will have to wait more than minutes. Round to 1 decimal place.Assume that the mean height of men in the United States is 70 inches, with a standard deviation of 3 inches. A particular man is 80 inches tall. Find the z-score of his height. (Round to two decimal places.)
- Suppose baby kittens' weights are normally distributed with a mean of 11.4 and a standard deviation of 2.1. The Z-score tells you how many units above the average (if Z-score is positive) or below the average (if Z- Score is negative) any particular baby kitten's weight is. Find the baby kitten weight that corresponds to the following Z-scores. Use the formula Z where u is the mean, o is the standard deviation, and X is the baby kitten weight. a. Z = = 0.07, X = b. Z = 1.63, X =Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 651. A random sample of 32 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 700? Assume o = 1540. The probability is (Round to four decimal places as needed.)Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a standard deviation o = 15. Find the probability that a randomly selected adult has an IQ between 89 and 121. Click to view page 1 of the table. Click to view page 2 of the table. Standard Normal Table (Page 2) The probability that a randomly selected adult has an IQ between 89 and 121 is (Type an integer or decimal rounded to four decimal places as needed.) POSITIVE z Scores Standard Normal (z) Distribution: Cumulative Area from the LEFT .00 .01 .02 .03 .04 .05 .06 .07 .08 .09 0.0 .5000 .5040 .5080 .5120 .5160 .5199 .5239 5279 .5319 .5359 0.1 .5398 .5438 5478 .5517 .5557 .5596 ,5636 ,5675 .5714 .5753 0.2 .5793 .5832 5871 5910 .5948 .5987 .6026 .6064 .6103 .6141 0.3 .6179 .6217 .6255 .6293 .6331 .6368 .6406 .6443 .6480 .6517 0.4 .6554 .6591 .6628 .6664 .6700 .6736 .6772 .6808 .6844 .6879 0.5 .6915 6950 .6985 7019 .7054 .7088 7123 7157 .7190 .7224 0.6 .7257 .7291 7324 7357 7389 7422 7454 7486…
- Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a standard deviation o = 20. Find the probability that a randomly selected adult has an IQ less than 125. 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 125 is. (Type an integer or decimal rounded to four decimal places as needed.) Enter vour answer in the answer box. 33283, xlsx Exit Honorlock 22 MacBook Air 吕0 F2 F4 F5 F10 %23 2$ % & * 3 5 7 8 E Y U D F J K C V B M %S4The average THC content of marijuana sold on the street is 9.4%. Suppose the THC content is normally distributed with standard deviation of 2%. Let X be the THC content for a randomly selected bag of marijuana that is sold on the street. a. What is the distribution of X? X - N( b. Find the probability that a randomly selected bag of marijuana sold on the street will have a THC content greater than 7.9. Round to 4 decimal places. c. Find the 65th percentile for this distribution. Round to 2 decimal places.For D only
