Samuel bought a jacket for $15 in January. The cost of the jacket increased to $27 in September. What percent of the original pr
2 answers:
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Complete Question
The complete question is shown on the uploaded image
Answer:
1 ) The correct option B
2) The correct option is C
3) The correct option is C
4) The correct option is C
Step-by-step explanation:
From the question we are told that
The proportion that own a cell phone is
The sample size is n = 15
Generally the appropriate distribution for X is mathematically represented as
So
Generally the number students that own a cell phone in a simple random sample of 15 students is mathematically represented as
Generally the standard deviation of the number of students who own a cell phone in a simple random sample of 15 students is mathematically represented as
Where q is mathematically evaluated as
Generally the probability that all students in a simple random sample of 15 students own a cell phone is mathematically represented as
From the combination calculator is
