Questions 6 to 10 are related. based on a random sample of n=15 observations, we have obtained a sample mean of x(bar)=1050. the goal is to test: h(0): μ≤1000 and h(a): μ> 1000 assume that x is normally distributed with σ=150. what is the standard error (σ (x bar) )? rounded to two decimal places.

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2