Answer:
Step-by-step explanation:
1) What digit will make the number divisible by 4?
887,2_6
According to the rules of divisibility, a number is divisible by four if its last two digits is a multiple of 4. Multiples of four include 4, 8 ,16 , 20. The list goes on.
From the number given,
For 887,2_6 to be divisible by 4, the last two digits which are the unknown and 6 must be a multiple of 4
The possible numbers that can make it a multiple of 4 include 1, 3, and 9
2) What digit will make the number divisible by 8?
887,2_6
According to the rules of divisibility, a number is divisible by eight if its last three digits is a multiple of 8. Multiples of four include 8 ,16 , 24 The list goes on.
From the number given,
For 887,2_6 to be divisible by 8, the last three digits must be a multiple of
The possible numbers that can make it a multiple of 8 include 1 and 9
Answer:
smallest: -6
Largest: 24
Step-by-step explanation:
Answer:
b.(12.7350,16.5984)
Step-by-step explanation:
First, find the average and standard deviation of the sample:
x = 14.6667
s = 2.4618
To make a confidence interval of the population:
(μ ± MoE)
where:
μ = x
MoE = CV × s / √n
MoE is the margin of error, CV is the critical value, and s/√n is the standard error.
Looking in a student's t-table, for a 98% confidence interval, and for 12-1=11 degrees of freedom, CV = 2.718.
So the margin of error is:
MoE = 2.718 × 2.4618 / √12
MoE = 1.9316
The confidence interval is therefore:
(14.6667 ± 1.9316)
(12.7351, 16.5983)
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