"1. A z-score of zero always means
1 answer:
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Answer:
Category Relative Frequency
male survivors 17.3%
males who died 63.7 %
Female survivors 15.1 %
Females who died 3.8%
Step-by-step explanation:
- The relative frequency is the proportion of the number of times the event occurs to the total number of trials.
Given : Total people on ship = 2274
Number of male survivors = 394
⇒ Relative Frequency of male survivors =
In percent ,
Number of males who died =1449
⇒ Relative Frequency of male who died =
In percent ,
Number of female survivors =344
⇒ Relative Frequency of female survivors =
In percent ,
Number of females who died = 87
⇒ Relative Frequency of females who died =
In percent ,
Hence, the complete table would be :
Category Relative Frequency
male survivors 17.3%
males who died 63.7 %
Female survivors 15.1 %
Females who died 3.8%
Answer:
The z-scores are and
Step-by-step explanation:
From the question we are told that
The middle of the distribution area considered is 48%
Now the rest of the area under the standard normal distribution area is mathematically evaluated
Now to obtain the area occupied by this proportion at the two tails we divide by 2 i.e
Now the z-score is obtained from the normal distribution table and the value is
The shows that we are considering the two-talil
Answer:
20 yards
Step-by-step explanation:
You have to take of 120, giving you 20.