![LunaSpellman](/avatars/46787.jpg)
LunaSpellman
12.08.2020 •
Mathematics
Of the 40 specimens of bacteria in a dish, 3 specimens have a certain trait. If 5 specimens are to be selected from the dish at random and without replacement, which of the following represents the probability that only 1 of the 5 specimens selected will have the trait?1) (5/1)/(40/3)
2) (5/1)/(40/5)
3) (40/3)/(40/5)
4) (3/1)(37/4)/(40/3)
5) (3/1)(37/4)/(40/5)
Solved
Show answers
More tips
- L Leisure and Entertainment How to Properly Wind Fishing Line onto a Reel?...
- L Leisure and Entertainment How to Make a Paper Boat in Simple Steps...
- T Travel and tourism Maldives Adventures: What is the Best Season to Visit the Luxurious Beaches?...
- H Health and Medicine Kinesiology: What is it and How Does it Work?...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
Answers on questions: Mathematics
- M Mathematics Joan loves sushi. her first piece of sushi normally gives her a marginal benefit of $5. each additional piece yields a marginal benefit that declines by $0.25 per...
- M Mathematics brantty works 21.5 hours every week . if she earns 8.50 per hour how much does she earn in one week round part a to the nearest dollar...
- M Mathematics SG 5-4 Midsegments HELP ME PLS HELPHELPHRLPHELPHELPHELP Find the value of x. 1. 2. 3. 54 3 2x 34 4. 5. 6. 2x x+9 X 8 2x 10x - 21 35 CR...
- M Mathematics Math 2415 Concept Quiz, Week 13 1. [3 pts] State the formula for the integral_C F · ds, of a vector field over an oriented curve. 2. [2 pts] Let F(x, y) = P(x, y)i...
- M Mathematics Which table includes points on the graph of the function f(x)=3x-20...
- M Mathematics Please help i ll mark brainliest...
- M Mathematics If one student was chosen at random, find the probability that the student got an A or a B on the test. Write your answer as a reduced fraction or whole number....
- M Mathematics What’s 28.50 simplified...
- M Mathematics Data set about speed dating include like rating of male dates made by the female dates the summary statistics are n = 197, x=7.86, s=2.14...
- M Mathematics A 455-foot fence encloses a pasture. What is the length of each side of the pasture?...
Ответ:
Step-by-step explanation:
The total number of ways in which 5 specimens can be selected from the dish at random is given as C(40, 5).
Since only one of the five specimens would have the trait, the number of ways of selecting the one specimen out of the 3 specimens with the trait is C(3, 1).
3 specimens have the trait therefore 37 specimens (40 - 3) do not have the trait. The number of ways in which the remaining 4 specimens out of the 5 spemimens that do not have the trait is C(37, 4).
Therefore, the probability that only 1 of the 5 specimens selected will have the trait =![\frac{C(3,1)*C(37,4)}{C(40,5)} =\frac{(^3_1)*(^{37}_4)}{(^{40}_5)}](/tpl/images/0719/2909/567ab.png)
Ответ:
The mean and the median are different because the data for the highlands has more variation than the data for the lowlands. The mean is affected by the outliers in the lowlands data.
Step-by-step explanation: