What is 1/2 in a decimal
2 answers:
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Complete Question:
a) Is it plausible that X is normally distributed?
b) For a random sample of 50 such pairs, what is the (approximate) probability that the sample mean courtship time is between 100 min and 125 min?
Answer:
a) It is plausible that X is normally distributed
b) probability that the sample mean courtship time is between 100 min and 125 min is 0.5269
Step-by-step explanation:
a)X denotes the courtship time for the scorpion flies which indicates that is a real - valued random variable, and since normal distribution is a continuous probability distribution for a real valued random variable, it is plausible that X is normally distributed.
b) Probability that the sample mean courtship time is between 100 min and 125 min
From the probability distribution table:
Tre's walking speed is 1mi/hr.
Data given;
- distance = 1 mile
- time = 1 hour
This is the rate at which an object covers a distance within a particular time frame.
substituting the values into the equation
Tre's walking speed is 1mi/hr
Learn more on speed, rate here;