Mathematics, 30.06.2019 03:20 QUEEN2267
You flip a coin 8 times and record the results using 0 for heads and 1 for tails. you find the variance. is investigating this sample variance the same as investigating the sampling distribution of the variance? a. no, the sample only contains 8 coin flips. the sample needs to be much larger b. yes, only one person is necessary to flip the coin and find the variance. c. no, the sampling distribution of the variance is the distribution of the means from all samples, not just one. d. yes, the probability of getting heads and the probability of getting tails is the same
Answers: 1
Mathematics, 21.06.2019 17:30
Is appreciated! graph the functions and approximate an x-value in which the exponential function surpasses the polynomial function. f(x) = 4^xg(x) = 4x^2options: x = -1x = 0x = 1x = 2
Answers: 1
Mathematics, 21.06.2019 18:00
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 1
Mathematics, 21.06.2019 19:30
Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?
Answers: 1
Mathematics, 21.06.2019 19:30
Which table shows a proportional relationship between miles traveled and gas used?
Answers: 2
You flip a coin 8 times and record the results using 0 for heads and 1 for tails. you find the varia...
Mathematics, 26.10.2020 17:10