subject
Mathematics, 28.09.2019 23:30 Joshyy23

10 cards are numbered from 1 to 10 and placed in a box. one card is selected at random and is not replaced. another card is then randomly selected. what is the probability of selecting two prime numbers?

a. 2/15

b. 4/18

c. 7/90

d. 1/10

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Asap i need it now choose all the answers that apply. sex-linked disorders affect males more than females affect females more than males can be carried by females, without being expressed are always expressed in males are caused by genes carried on the x and y chromosomes
Answers: 1
question
Mathematics, 21.06.2019 18:00
Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?
Answers: 3
question
Mathematics, 21.06.2019 18:30
Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.
Answers: 1
question
Mathematics, 21.06.2019 22:00
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4
Answers: 2
You know the right answer?
10 cards are numbered from 1 to 10 and placed in a box. one card is selected at random and is not re...
Questions
question
History, 11.04.2020 19:43
question
Mathematics, 11.04.2020 19:44
question
Mathematics, 11.04.2020 19:45
question
Mathematics, 11.04.2020 19:45
question
Biology, 11.04.2020 19:49
Questions on the website: 13722361