A golf ball is selected at random from a golf bag. If the golf bag contains 7 orange balls, 4 black balls, and 7 brown balls, find the probability of the following event. The golf ball is orange or black. The probability that the golf ball is orange or black is. (Type an integer or a decimal rounded to three decimal places as needed.)

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A:

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Q: A local jam production company is confident that 60% of the population will like its new grapefruit ...

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Q: How many scores are in this distribution?  A. 4 B. 15 C. 25 D. 30

A: Given a grouped frequency distribution, we need to find total number of scores. 

Q: Plzzz explain all quations. With details. Ty

A: Given, 90% Confidence interval n=59 σ=3907  

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A: Given : A variable X has a mean of 134 and a standard deviation of 10.

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A: Given : A particular fruit's weights are normally distributed , with a mean of 696 grams and a stand...

Q: A sample of 76 female workers and another sample of 48 male workers from a state produced mean weekl...

A: Given , Female : Sample size = n1 = 76 Sample mean = x¯1 = $743.50 Population standard deviation = σ...

Q: 6/10

A: The observed table is; Years of Education Current Former Never Total <12 161 96 207 464 1...

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A: The answer is explained below

Q: Please show how to do this using PH STAT, not sure how to set up dummy variables. Thx

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: Convert the following distribution of scores into a grouped frequency table and (g) Draw a frequency...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: 9. A study was conducted to determine if the proportion of cars in a given area that do not meet exh...

A: here given  H0 : P=0.08 H1 : P≠0.08 α=0.05  

Q: The data is the numbers that i given in second photo. Note: question e have two choices  A. Decision...

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Q: The diameter of a metal shaft used in a disk-drive unit is normally distributed with mean 0.2508 in....

A: Standard normal distribution - The standard normal distribution describes the cumulative probability...

Q: The autoregressive model ŷt = 200 + 15y; - 1 was developed from a time series. If the last observati...

A: Given that the auto-regressive model is given by, y^t=200+15yt-1 The last observation is 8.

Q: Suppose we want to know if the proportion of people with a certain trait is less than 0.5. We observ...

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Q: A poll of 2657 U.S. adults found that 86% regularly used Facebook as a news source. Find the margin ...

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Q: A genetic experiment involving peas yielded one sample of offspring consisting of 443 green peas and...

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Q: 1.The policy holder's loss function, X follows a distribution, 1 ,x = 1 3 P(x) = x= 2. 8 ,x= 3 Find(...

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Q: 9/10

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Q: The average of 23 numbers is 14.7 what is the sum of these numbers

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Q: Please see attached

A: Given,sample size(n)=40population mean(μ)=20standard deviation(σ)=5

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A: Given that a library checks out an average of 332 books per day with standard deviation of 58 books....

Q: 1. Approximately 90% of all people are right-handed. Consider a grouping of ten people. Assume that ...

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Q: What is the standard deviation of the distribution?    A. 3.54   B. 3...

A: From the given information, Class interval Frequency 16-20 3 11-15 14 6-10 7 1-5 1   25...

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Q: GIVEN THE FOUR LETTER A,B,C,D SELECT TWO LETTERS WITHOUT REPLACEMENT A- LIST OUT ALL THE OPTIONS FOR...

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Q: The following data shows the cost of electricity during July 2015 for a random sample of 50 one-bedr...

A: The data is represented as this below table: 96 171 202 178 147 102 153 197 127 ...

Q: The FDA regulates that fish that is consumed is allowed to contain 1 mg/kg of mercury. In Alaska, ba...

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Q: Suppose the number of Covax and Pfizer vaccine bought by the Philippine government are normally dist...

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Q: Two cards are drawn from a standard deck of cards, one after one another without replacement. Find t...

A: Given, E1-First card is diamond E2-Second card is a face card. E3-Both are face cards and diamonds.

Q: 1.The policy holder's loss function, X follows a distribution, x = 1 8. 3 -,x = 2. 8 4 x= 3 8. P(x) ...

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Q: When the data has extreme scores, what is the best measure of average?

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Q: Mr. Brown is the owner of a small bakery in a large town. He believes that the smell of fresh baking...

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Q: Question 4 Compute the mean and variance of the following probability distribution. (Round your answ...

A: Here, X P(X) X.P(X) X2 X2.P(X) 4 0.10 0.40 16 1.6 9 0.20 1.80 81 16.2 14 0.35 4.90 196 68.6...

Q: There are 200 60-year old women with glaucoma that had their blood pressures (BP) taken. The mean BP...

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Q: If Sis sure event then P(S)=

A: For sure event  Probability of event = ? 

Q: A given distribution has a population mean, μ, of 140 and a population standard deviation, σ, of 10....

A: Given : Mean , μ  = 140 standard deviation, σ =  10

Q: The height of a male student is a random variable with a normal distribution with mean = 174.5cm and...

A: Let, X = height of male student  X follows Normal distribution with mean 174.5 cm and standard devia...

Q: السؤال 6 Let P(A)=x,P(B)%3= and P(ANB) If A and B are independent, then x be equal 4 4 0 1 4 0 3 0 1...

A: We have to find value of x. 

Q: Construct a 95% confidence interval of the mean pulse rate for adult females. bpm <µ< bpm (Round to ...

A: a) First we will calculate mean and standard deviation for adult females : Standard Deviation, s: 13...

Q: Consider the case where the predetermined average number of bus arrivals at the Cubao Station is 6 p...

A: As given, the average number of bus arrivals at the Cubao Station is 6 per 15-minute period. Let λ ...

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.