Geoff has been running a restaurant in the city for many years. He knows from experience that the proportion of customers that leave tips at this restaurant is 0.58. Geoff has recently opened a restaurant in a suburban area. It seems that tipping habits are different in the suburbs: Geoff believes that the proportion of customers that tip at his new restaurant (p) may be different to 0.58. He conducts a hypothesis test to find out. The null and alternative hypotheses are:H0: p = 0.58Ha: p ≠ 0.58Geoff takes a random sample of 117 customers and notes whether or not they leave a tip. In this sample, the proportion of people that leave a tip is 0.62.a)Calculate the test statistic (z). Give your answer to 2 decimal places.

4 puzzles in 3 hours

step-by-step explanation:

answer: 0.26

i used the calculator on google

this is a good question! i’ll do some research and what i find, i’ll contact you asap when i have something! ✊

large crystals result from very slow cooling.

evaporation of water: this would produce an evaporite which is a sedimentary rock. like a salt pan in a desert. not possible to have volcanic rocks originate this way.

crystalization in molten earth: slow cooling over time. (hundreds to millions of years)

crystalization at earth's surface: this results in fast cooling. (a few hours to a few months or years)

crystalization from cooling off hot water: that would be a hydrothermal deposit. while associated with volcanics they are not volcanic rocks themselves and usually occur fairly rapidly.