Mathematics, 15.01.2021 07:10 mayamabjishovrvq9
At Westville High School there are 315 seniors and 289 juniors. 65% of the seniors have parking
passes and 42% of the juniors have parking passes. The statistics teacher selects a SRS of 30
seniors and a separate SRS of 30 juniors. Let os - , be the difference in the sample proportions of
seniors and juniors that have parking passes.
d. What is the probability that the difference in sample proportions (senior - junior) of students
with parking passes is greater than 30%?
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 18:00
The los angels ram scored 26, 30, 48, and 31 pts in their last four games. how many pts do they need to score in super bowl liii in order to have an exact mean average of 35 pts over five games. write and solve and equation. use x to represent the 5th game.
Answers: 1
Mathematics, 21.06.2019 19:10
How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.
Answers: 1
Mathematics, 21.06.2019 22:00
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
Answers: 1
Mathematics, 22.06.2019 03:00
Gia opened two savings accounts at two different banks. one account earns an annual 3.4% simple interest, and the other earns half as much. if she deposited $500 in each account, how much total interest will she have earned in 5 years? a. $34.00 b. $25.50 c. $51.00 d. $510.00
Answers: 1
You know the right answer?
At Westville High School there are 315 seniors and 289 juniors. 65% of the seniors have parking
pas...
Questions
Chemistry, 20.05.2021 23:20
Engineering, 20.05.2021 23:20
Mathematics, 20.05.2021 23:20
Mathematics, 20.05.2021 23:20
Chemistry, 20.05.2021 23:20
Mathematics, 20.05.2021 23:20
Mathematics, 20.05.2021 23:20
Social Studies, 20.05.2021 23:20
Chemistry, 20.05.2021 23:20
