Mathematics, 16.04.2020 16:44, Joeeeeeeee8974
Consider a random variable X that is normally distributed. Complete parts (a) through (d) below. (This is a reading assessment question Be certain of your answer because you only get one attempt on this question.) (a)If a random variable X is normally distributed, what will be the shape of the distribution of the sample mean? a. Normal b. Skewed left c. Skewed right d. Cannot be determined (b) If the mean of a random variable X is 30, what will be the mean of the sampling distribution of the sample mean? (c) As the sample size n increases, what happens to the standard error of the mean? A. The standard error of the mean remains the same. B. The standard error of the mean increases C. The standard error of the mean decreases
Answers: 1
Mathematics, 21.06.2019 13:30, tiniecisneros28
There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part
Answers: 1
Mathematics, 21.06.2019 19:30, zetrenne73
Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax
Answers: 2
Mathematics, 22.06.2019 00:00, HannaTheGurls
The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume
Answers: 1
Consider a random variable X that is normally distributed. Complete parts (a) through (d) below. (Th...
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