The mean number of English courses taken in a two-year time period by male and female college students is believed to be about the same. An experiment is conducted and data are collected from 21 males and 24 females. The males took an average of 2.3 English courses with a standard deviation of 1.1. The females took an average of 1.6 English courses with a standard deviation of 0.4. Conduct a hypothesis test at the 5% level of significance to determine whether the means are tatistically the same.

Q: Question attached

A: Given information- Sample proportion, p = 0.25 We know that, sample is best estimator of population…

Q: 1/x

A:

Q: でys In 22 25

A: Given data:   The given expression is ln(x36y25/z22).     The given expression can be written as,…

Q: 6.5 please

A: Hi! Thank you for posting the question. Since your question has more than three sub-parts, we have…

Q: 0*1=?

A: The product of zero(0) with any finite real number equal zero.  That is 0*n = 0, when n is a finite…

Q: 389,427 to the nearest ten thousand

A: 389,427 to the nearest ten thousand

Q: Johnny would like to cover the yard space with artificial turf (plastic grass-like rug). How many…

A:

Q: Evaluate 0.

A: Given, ∫0π3cot2θ1+cot2θdθ

Q: Subtract.   StartFraction 34 Over 35 EndFraction3435minus−StartFraction 13 Over 45 EndFraction1345

A:

Q: How many days are there from October 16 through November 15? (Numerical answer only)

A: We have to find the number of days are there from October 16 through November 15. We know that the…

Q: ex 1. EVALUATE Te"dx

A:

Q: thea calcudeator to lach to the near1sk thousandth tHog124 20) 10gs 10.818

A:

Q: It was not 126. I cannot figure it out

A: We have to Find the fifth root of -32i that graphs in the fourth quadrant.

Q: (22 ー4×-D

A: This is a quite difficult indefinite integral to understand. Here we have separated the integral…

Q: hundredet

A: We have already obtained the principal value .We have to find the answer round to the nearest…

Q: Question attached

A:

Q: coterminal to 804

A:

Q: Evaluate 区

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: y² 49 1 y? /-

A:

Q: A. Round 529.647 to the nearest ten B. Round 529.647 to the nearest one C. Round 529.647 to the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Niding Pohynomials Simputit 15,10

A:

Q: 3,414 • 3.5

A:

Q: 100+50097=

A: Given:   100+50097

Q: Full soln

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank…

Q: cSco coto de Jて+2c66)

A: The integral is  ∫ csc θcot θ dθ1+2csc θ2

Q: Luke is fiv year ago, E

A:

Q: Question attached

A: Hello. Since your question has multiple parts, we will solve the integration by first six part for…

Q: RPIMPLIFY THE EXPRESTION 92_462 Ceab-lab?

A: The given expression is: a2-4b26ab-12b2

Q: What is the approximate value of tan бл 5

A: let  A=tan(6π5)we know tan(π+x)=tanx

Q: 2. 9x? – 16

A: Given: 9x2-16

Q: Find mZE. E 5.1 7.8 7

A: In the given triangle  ∠D=90°ED=5.1CD=7.8We have to find ∠E

Q: Simplfy Lnote d #0 £#0₁9+0) (2679₁) (36²-fªg(6) борода 3d5f4gb)

A: we know that   ax×ay=ax+ylet  A=(1d6f5g4)(3d5f4g6)

Q: 3.ftcost²dt

A:

Q: 30245 + 40235

A: Given 30245+40235 To perform the operation with the indicated base.

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.