Mathematics, 19.05.2020 20:16 jocelynfray16
Which equation represents the general form a circle with a center at (–2, –3) and a diameter of 8 units? x2 + y2 + 4x + 6y – 51 = 0 x² + y² – 4x – 6y – 51 = 0 x2 + y2 + 4x + 6y – 3 = 0 x2 + y2 – 4x – 6y – 3 = 0
Answers: 3
Mathematics, 22.06.2019 01:30, reneebrown017
Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?
Answers: 1
Mathematics, 22.06.2019 02:10, Naysa150724
If point cis between points a and b, then ac + — = ab
Answers: 1
Mathematics, 22.06.2019 02:30, Leii691
According to a research study, parents with young children slept 6.4 hours each night last year, on average. a random sample of 18 parents with young children was surveyed and the mean amount of time per night each parent slept was 6.8. this data has a sample standard deviation of 0.9. (assume that the scores are normally distributed.) researchers conduct a one-mean hypothesis at the 5% significance level, to test if the mean amount of time parents with young children sleep per night is greater than the mean amount of time last year. the null and alternative hypotheses are h0: μ=6.4 and ha: μ> 6.4, which is a right-tailed test. the test statistic is determined to be t0=1.89 using the partial t-table below, determine the critical value(s). if there is only one critical value, leave the second answer box blank.
Answers: 3
Which equation represents the general form a circle with a center at (–2, –3) and a diameter of 8 un...
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