subject
Mathematics, 27.01.2021 23:40 dondre54

Can someone plz help me


Can someone plz help me

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?
Answers: 3
question
Mathematics, 21.06.2019 18:30
Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?
Answers: 1
question
Mathematics, 21.06.2019 18:30
What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)
Answers: 1
question
Mathematics, 22.06.2019 03:50
Arandom sample of n = 25 observations is taken from a n(µ, σ ) population. a 95% confidence interval for µ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 − α)% needed.
Answers: 3
You know the right answer?
Can someone plz help me
...
Questions
question
Mathematics, 23.03.2021 16:40
Questions on the website: 13722361