Solution :
a). Standard error of sample mean = 
= 0.1290994
The observed mean point be 
Test statistics z = 
For the left one sided test, critical value of z to reject 
We reject 
when test statics z < -1.64
b). Value of z < -1.64
∴ we reject when 
c). The probability of rejecting when 
,
The answer is Cube my friend !
Answer: 2x-6
Step-by-step explanation: 1 Remove parentheses.
x-5+x-1x−5+x−1
2 Collect like terms.
(x+x)+(-5-1)(x+x)+(−5−1)
3 Simplify.
2x-62x−6
Answer:
1. 5,400 inches to miles. 5400 in 4. Copage. 12 in. 2. 16 weeks to seconds ... 9. 32 ft/sec to meters/min. 324. 2 in 12.54cm bor mm / 585,22 m/min.) 10. You find ... Directions: Use dimensional analysis to convert each rate. ... Round your answer to the nearest hundredth. 1. ... What is the cyclist's speed in feet per minute?
