VS
vicmarie simpri
Answers (8)
VS
Answered
A company manufacturing electronic components for home entertainment systems buys electrical connectors from three suppliers.It buys 23% of the connectors from supplier A,31% from supplier B,and 46% from supplier C.It finds that 1% of the connectors from supplier A are defective,2% of the connectors from supplier B are defective,and 3% of the connectors from supplier C are defective.If a customer buys one of these components and finds that the connector is defective,what is the probability that it came from supplier B?
A) 0.385
B) 0.278
C) 0.31
D) 0.02
E) 0.103
A) 0.385
B) 0.278
C) 0.31
D) 0.02
E) 0.103
On Jul 10, 2024
B
VS
Answered
A union composed of several thousand employees is preparing to vote on a new contract. A random sample of 500 employees yielded 320 who planned to vote yes. It is believed that the new contract will receive more than 60% yes votes. Can we infer at the 5% significance level that the new contract will receive more than 60% yes votes?
Test statistic = ______________
p-value = ______________
Conclusion: ______________
Interpretation: __________________________________________
Test statistic = ______________
p-value = ______________
Conclusion: ______________
Interpretation: __________________________________________
On Jul 10, 2024
1.83; 0.0336; Reject H0; The new contract will receive more than 60% yes votes
VS
Answered
Express the following ratio in its lowest terms:
18:34\frac{1}{8}: \frac{3}{4}81:43
18:34\frac{1}{8}: \frac{3}{4}81:43
On Jul 09, 2024
1: 6
VS
Answered
In which of the following situations would you MOST likely use the t-test for dependent means?
A) comparing smokers versus non smokers
B) comparing stress levels before and after a yoga class
C) comparing first graders versus college students
D) comparing a sample mean versus a hypothesized population mean
A) comparing smokers versus non smokers
B) comparing stress levels before and after a yoga class
C) comparing first graders versus college students
D) comparing a sample mean versus a hypothesized population mean
On Jun 10, 2024
B
VS
Answered
Write the standard form of the equation of the ellipse. 
A) x225+y29=1\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 9 } = 125x2+9y2=1
B) x23+y25=1\frac { x ^ { 2 } } { 3 } + \frac { y ^ { 2 } } { 5 } = 13x2+5y2=1
C) x29+y225=1\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 25 } = 19x2+25y2=1
D) 25x2+9y2=125 x ^ { 2 } + 9 y ^ { 2 } = 125x2+9y2=1
E) 9x225+25y29=1\frac { 9 x ^ { 2 } } { 25 } + \frac { 25 y ^ { 2 } } { 9 } = 1259x2+925y2=1
A) x225+y29=1\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 9 } = 125x2+9y2=1
B) x23+y25=1\frac { x ^ { 2 } } { 3 } + \frac { y ^ { 2 } } { 5 } = 13x2+5y2=1
C) x29+y225=1\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 25 } = 19x2+25y2=1
D) 25x2+9y2=125 x ^ { 2 } + 9 y ^ { 2 } = 125x2+9y2=1
E) 9x225+25y29=1\frac { 9 x ^ { 2 } } { 25 } + \frac { 25 y ^ { 2 } } { 9 } = 1259x2+925y2=1
On Jun 09, 2024
C
VS
Answered
Which of the following symbols represents the individual score?
A) X
B) n
C) N
D) Σ
A) X
B) n
C) N
D) Σ
On May 11, 2024
A
VS
Answered
The seller of a loaded die claims that it will favor the outcome 6.We don't believe that claim,and roll the die 350 times to test an appropriate hypothesis.Our P-value turns out to be 0.01.Provide an appropriate conclusion.
On May 10, 2024
There is a 1% chance that a fair die could randomly produce the results we observed,so there is strong evidence to conclude that the die is loaded.
VS
Answered
Sam is going to ask for a raise. Over the past year, the CPI has gone from 129.9 to 131.9. Sam currently earns $42,500. What is the minimum raise that Sam should ask for in order to maintain the same buying power?
A) $43,350
B) $43,144
C) $44,000
D) $43,500
E) $43,154
A) $43,350
B) $43,144
C) $44,000
D) $43,500
E) $43,154
On May 08, 2024
E