The test statistic of z equals = 2.37 2.37 is obtained when testing the claim that p greater than > 0.1 0.1. a. Identify the
1 answer:
Answer:
Right tailed, 0.0089, reject.
Step-by-step explanation:
Given that The test statistic of z equals = 2.37 is obtained when testing the claim that p greater than > 0.1
we see that whenever claim is > it is right tailed. And whenever p <alpha we reject H0
a) Since claim is p>0.1 this is right tailed test.
b) For z =2.37 p value is
c)Since p < 0.01 our lapha we reject null hypothesis
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Answer:
Therefore the rate change of distance between the car and the person at the instant, the car is 24 m from the intersection is 12 m/s.
Step-by-step explanation:
Given that,
A person stand 10 meters east of an intersection and watches a car driving towards the intersection from the north at 13 m/s.
From Pythagorean Theorem,
(The distance between car and person)²= (The distance of the car from intersection)²+ (The distance of the person from intersection)²+
Assume that the distance of the car from the intersection and from the person be x and y at any time t respectively.
∴y²= x²+10²
Differentiating with respect to t
Since the car driving towards the intersection at 13 m/s.
so,
Now
= -12 m/s
Negative sign denotes the distance between the car and the person decrease.
Therefore the rate change of distance between the car and the person at the instant, the car is 24 m from the intersection is 12 m/s.