Which problem do u need help with I can help u with all. All of them are scientific notation so it's easy and I will tell u an easy way to solve it
Answer:
Each group picked up 35 pounds of trash
Step-by-step explanation:
385÷11=35
Answer:
Step-by-step explanation:
P(55)=(P21) +P(36)-P(55)
It’s 9,831.5, nine thousand height hundred thirty one point five
Answer:
Step-by-step explanation:
For the null hypothesis,
µ = 60
For the alternative hypothesis,
h1: µ < 60
This is a left tailed test
Since the population standard deviation is not given, the distribution is a student's t.
Since n = 100,
Degrees of freedom, df = n - 1 = 100 - 1 = 99
t = (x - µ)/(s/√n)
Where
x = sample mean = 52
µ = population mean = 60
s = samples standard deviation = 22
t = (52 - 60)/(22/√100) = - 3.64
We would determine the p value using the t test calculator. It becomes
p = 0.00023
We would reject the null hypothesis if α = 0.05 > 0.00023
