Can someone help? I also have 4 more problems.
1 answer:
Answer:
.0853
.8770
.9370
.0045
.4898
Step-by-step explanation:
Just go to a ztable and match the values (I've attached the one i use below)
if it's negative subtract one
if it's z># then subtract one
so for 1.37 go to the table and find the value (.8770) and subtract 1
Go to 1.16 on the z table (.8770), subtract 1 (1-.8770) and then do it again
for the last one you need to take a z value of 0 (.5) and then the value for 2.32 (.9898) and subtract them
.9898-.5=.4898
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Answer:
The mode are: 7, 8
Step-by-step explanation:
Given
Required
Determine the mode
We start by arranging the given data in ascending order
The ordered data are:
From the above data.
7 has a frequency of 4
8 has a frequency of 4
10 has a frequency of 1
11 has a frequency of 2
The data with the highest frequency is the mode.
We can see that 7 and 8 both have frequencies of 4
<em>Hence, the mode are: 7, 8</em>
Answer:
x ≈ - 10.65, x ≈ - 5.35
Step-by-step explanation:
Given
(x + 8)² - 7 = 0 ( add 7 to both sides )
(x + 8)² = 7 ( take the square root of both sides )
x + 8 = ± ( subtract 8 from both sides )
x = - 8 ± , thus
x = - 8 - ≈ - 10.65
x = - 8 + ≈ - 5.35