5h = - 8 - 7
5h = - 15
h = - 3
Answer:
y=-2x+12
Step-by-step explanation:
First, subtract 1/2 from each side
1/4y = -1/2x + 3 --> multiply each side by 4
y = -2x + 12 is your final answer
The answer is 237.
Hope it helps!
Answer:
The 95% confidence interval is
The pivot function used is
Step-by-step explanation:
From the question we are told that
The data given is 246 242 248 245 250 244 252 248 248 247 250 248 246 242 248 244 245 246 250 242
The sample size is
Given that the confidence level is 95% then the level of significance is
The degree of freedom is mathematically represented as
From the student t-distribution table the critical value of is
The mean is mathematically represented as
The standard deviation is mathematically represented as
The margin of error is mathematically represented as
The 95% confidence interval is mathematically represented as
=>
=>
The pivot function used is
Answer:
0.91
Step-by-step explanation:
1 - P(both left handed)
1 - 0.3² = 0.91