Question

6. Among 100 of products there are 20 rejects. We will randomly select 10 of products. The random variable X indicates the number of rejects among the selected products. Determine its distribution.

199

likes
995 views

Answer to a math question 6. Among 100 of products there are 20 rejects. We will randomly select 10 of products. The random variable X indicates the number of rejects among the selected products. Determine its distribution.

Expert avatar
Cristian
4.7
66 Answers
The distribution is a binomial distribution with n=10, p=0.2

Frequently asked questions (FAQs)
What is the volume of a cube with side length "a"? (
+
What is the sum of vector AB (-3, 7) and vector CD (5, -9)?
+
What is the vertex of a quadratic function f(x) = x^2?
+
New questions in Mathematics
1 + 1
Let 𝑢 = 𝑓(𝑥, 𝑦) = (𝑒^𝑥)𝑠𝑒𝑛(3𝑦). Check if 9((𝜕^2) u / 𝜕(𝑥^2)) +((𝜕^2) 𝑢 / 𝜕(𝑦^2)) = 0
To calculate the probability that a player will receive the special card at least 2 times in 8 games, you can use the binomial distribution. The probability of receiving the special card in a single game is 1/4 (or 25%), and the probability of not receiving it is 3/4 (or 75%).
-11+29-18
How many kilometers does a person travel in 45 minutes if they move at a rate of 8.3 m/s?
(5-(4-3)*3)-(8+5))
What’s 20% of 125?
An electrical company manufactures batteries that have a duration that is distributed approximately normally, with a mean of 700 hours and a standard deviation of 40 hours. Find the probability that a randomly selected battery has an average life of less than 810 hours.
Answer the following questions regarding the expression below. 0.1 (a) Write the number as a fraction.
prove that if n odd integer then n^2+5 is even
How many anagrams of the word STROMEC there that do not contain STROM, MOST, MOC or CEST as a subword? By subword is meant anything that is created by omitting some letters - for example, the word EMROSCT contains both MOC and MOST as subwords.
v Is the following statement a biconditional? If Shannon is watching a Tigers game, then it is on television.
The points (-5,-4) and (3,6) are the ends of the diameter of the circle calculate subequation
30y - y . y = 144
(X+2)(x+3)=4x+18
the product of a 2-digit number and a 3-digit number is about 50000, what are these numbers
a coffee shop has 9 types of creamer and 11 types of sweetener. In how any ways can a person make their coffee?
9n + 7(-8 + 4k) use k=2 and n=3
It costs a manufacturer $2,500 to purchase the tools to manufacture a certain homemade item. If the cost for materials and labor is 60¢ per item produced, and if the manufacturer can sell each item for 90¢, find how many items must he produce and sell to make a profit of $2000?
In an experiment to assess the effect of listening to audiobooks while driving, participants were asked to drive down a straight road in a driving simulator. The accompanying data on time (in milliseconds) to react when a pedestrian walked into the street for 10 drivers listening to an audiobook are consistent with summary statistics and graphs that appeared in the paper "Good Distractions: Testing the Effect of Listening to an Audiobook on Driving Performance in Simple and Complex Road Environments."† (Round your answers to four decimal places.) 1,018 1,007 1,054 988 937 1,030 1,065 1,011 860 1,106 A button hyperlink to the SALT program that reads: Use SALT. Calculate the variance for this data set. 7437.7333 Incorrect: Your answer is incorrect. Calculate the standard deviation for this data set. 86.2022 Incorrect: Your answer is incorrect.