Tiffany spent 3/5 of her money to buy begonias and 1/2 of the remaining money to buy peas. What part of her money did she spend
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Answer:
true, refer to picture for more understanding :)
Answer:
The sample size is
Step-by-step explanation:
From the question we are told that
The margin of error is E = 1.5 seconds
The standard deviation is s = 4 seconds
Given that the confidence level is 97% then the level of significance is mathematically represented as
=>
Generally from the normal distribution table the critical value of is
Generally the sample size is mathematically represented as
=>
=>